diff --git a/.gitignore b/.gitignore
index ea7f8f836b..3e79181fd8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,8 @@ figwheel_server.log
 # Lein
 #
 .lein-failures
+
+## Doo
+#
+out
+doo-index.html
diff --git a/project.clj b/project.clj
index d68172cc05..4007f3100d 100644
--- a/project.clj
+++ b/project.clj
@@ -8,7 +8,7 @@
                  [reagent "0.5.1" :exclusions [cljsjs/react]]
                  [re-frame "0.6.0"]
                  [prismatic/schema "1.0.4"]
-                 ^{:voom {:repo "git@github.com:status-im/status-lib.git"
+                 ^{:voom {:repo   "git@github.com:status-im/status-lib.git"
                           :branch "master"}}
                  [status-im/protocol "0.1.1-20160525_083359-g53ab2c2"]
                  [natal-shell "0.1.6"]
@@ -20,11 +20,12 @@
                          ["do" "clean"
                           ["with-profile" "prod" "cljsbuild" "once" "ios"]
                           ["with-profile" "prod" "cljsbuild" "once" "android"]]}
+  :test-paths ["test/clj"]
   :figwheel {:nrepl-port 7888}
   :profiles {:dev  {:dependencies [[figwheel-sidecar "0.5.0-2"]
                                    [com.cemerick/piggieback "0.2.1"]
-                                   [io.appium/java-client "3.4.1"]
-                                   ]
+                                   [io.appium/java-client "3.4.1"]]
+                    :plugins      [[lein-doo "0.1.6"]]
                     :source-paths ["src" "env/dev"]
                     :cljsbuild    {:builds {:ios     {:source-paths ["src" "env/dev"]
                                                       :figwheel     true
@@ -37,7 +38,13 @@
                                                       :compiler     {:output-to     "target/android/not-used.js"
                                                                      :main          "env.android.main"
                                                                      :output-dir    "target/android"
-                                                                     :optimizations :none}}}}
+                                                                     :optimizations :none}}
+                                            :test    {:source-paths ["src" "test/cljs"]
+                                                      :compiler
+                                                                    {:main          status-im.test.runner
+                                                                     :output-to     "target/test/test.js"
+                                                                     :optimizations :none
+                                                                     :target :nodejs}}}}
                     :repl-options {:nrepl-middleware [cemerick.piggieback/wrap-cljs-repl]}}
              :prod {:cljsbuild {:builds {:ios     {:source-paths ["src" "env/prod"]
                                                    :compiler     {:output-to     "index.ios.js"
diff --git a/src/status_im/android/core.cljs b/src/status_im/android/core.cljs
index cf3c7d48e1..080a91fa54 100644
--- a/src/status_im/android/core.cljs
+++ b/src/status_im/android/core.cljs
@@ -60,5 +60,4 @@
   (dispatch [:init-console-chat])
   (dispatch [:init-chat])
   (init-back-button-handler!)
-  ;(.registerComponent app-registry "StatusIm" #(r/reactify-component app-root))
-  )
+  (.registerComponent app-registry "StatusIm" #(r/reactify-component app-root)))
diff --git a/src/status_im/components/drawer/view.cljs b/src/status_im/components/drawer/view.cljs
index 0ac23a7dbb..61b7d698b6 100644
--- a/src/status_im/components/drawer/view.cljs
+++ b/src/status_im/components/drawer/view.cljs
@@ -2,18 +2,16 @@
   (:require [clojure.string :as s]
             [re-frame.core :refer [subscribe dispatch dispatch-sync]]
             [reagent.core :as r]
-            [status-im.components.react :refer [android?
-                                              view
-                                              text
-                                              image
-                                              navigator
-                                              toolbar-android
-                                              drawer-layout-android
-                                              touchable-opacity]]
+            [status-im.components.react :as re :refer [view
+                                                       text
+                                                       image
+                                                       navigator
+                                                       toolbar-android
+                                                       drawer-layout-android
+                                                       touchable-opacity]]
             [status-im.resources :as res]
             [status-im.components.drawer.styles :as st]
-            [status-im.i18n :refer [label]]
-            [status-im.components.react :refer [react]]))
+            [status-im.i18n :refer [label]]))
 
 (defonce drawer-atom (atom))
 
@@ -30,7 +28,7 @@
           :style  st/user-photo}])
 
 (defn menu-item [{:keys [name handler]}]
-  [touchable-opacity {:style st/menu-item-touchable
+  [touchable-opacity {:style   st/menu-item-touchable
                       :onPress (fn []
                                  (close-drawer)
                                  (handler))}
@@ -41,40 +39,40 @@
   (let [username (subscribe [:get :username])]
     (fn []
       [view st/drawer-menu
-      [view st/user-photo-container
-       [user-photo {}]]
-      [view st/name-container
-       [text {:style st/name-text}
-        @username]]
-      [view st/menu-items-container
-       [menu-item {:name    (label :t/profile)
-                   :handler #(dispatch [:navigate-to :my-profile])}]
-       [menu-item {:name    (label :t/settings)
-                   :handler (fn []
-                              ;; TODO not implemented
-                              )}]
-       [menu-item {:name    (label :t/discovery)
-                   :handler #(dispatch [:navigate-to :discovery])}]
-       [menu-item {:name    (label :t/contacts)
-                   :handler #(dispatch [:show-contacts navigator])}]
-       [menu-item {:name    (label :t/invite-friends)
-                   :handler (fn []
-                              ;; TODO not implemented
-                              )}]
-       [menu-item {:name    (label :t/faq)
-                   :handler (fn [])}]]
-      [view st/switch-users-container
-       [touchable-opacity {:onPress (fn []
-                                      (close-drawer)
-                                      ;; TODO not implemented
-                                      )}
-        [text {:style st/switch-users-text}
-         (label :t/switch-users)]]]])))
+       [view st/user-photo-container
+        [user-photo {}]]
+       [view st/name-container
+        [text {:style st/name-text}
+         @username]]
+       [view st/menu-items-container
+        [menu-item {:name    (label :t/profile)
+                    :handler #(dispatch [:navigate-to :my-profile])}]
+        [menu-item {:name    (label :t/settings)
+                    :handler (fn []
+                               ;; TODO not implemented
+                               )}]
+        [menu-item {:name    (label :t/discovery)
+                    :handler #(dispatch [:navigate-to :discovery])}]
+        [menu-item {:name    (label :t/contacts)
+                    :handler #(dispatch [:show-contacts navigator])}]
+        [menu-item {:name    (label :t/invite-friends)
+                    :handler (fn []
+                               ;; TODO not implemented
+                               )}]
+        [menu-item {:name    (label :t/faq)
+                    :handler (fn [])}]]
+       [view st/switch-users-container
+        [touchable-opacity {:onPress (fn []
+                                       (close-drawer)
+                                       ;; TODO not implemented
+                                       )}
+         [text {:style st/switch-users-text}
+          (label :t/switch-users)]]]])))
 
 (defn drawer-view [items]
   [drawer-layout-android {:drawerWidth            260
-                          :drawerPosition         react.DrawerLayoutAndroid.positions.Left
+                          :drawerPosition         re/react.DrawerLayoutAndroild.positions.Left
                           :render-navigation-view #(r/as-element [drawer-menu])
-                          :ref  (fn [drawer]
-                                  (reset! drawer-atom drawer))}
+                          :ref                    (fn [drawer]
+                                                    (reset! drawer-atom drawer))}
    items])
diff --git a/src/status_im/components/react.cljs b/src/status_im/components/react.cljs
index d79d7d4fa9..5daccaee88 100644
--- a/src/status_im/components/react.cljs
+++ b/src/status_im/components/react.cljs
@@ -1,29 +1,39 @@
 (ns status-im.components.react
   (:require [reagent.core :as r]
-            [status-im.components.styles :as st]))
+            [status-im.components.styles :as st]
+            [status-im.utils.utils :as u]))
 
 (when (exists? js/window)
   (set! js/window.React (js/require "react-native")))
 
-(def react (js/require "react-native"))
+(def react (u/require "react-native"))
 
-(def app-registry (.-AppRegistry react))
-(def navigator (r/adapt-react-class (.-Navigator react)))
-(def text (r/adapt-react-class (.-Text react)))
-(def view (r/adapt-react-class (.-View react)))
-(def image (r/adapt-react-class (.-Image react)))
-(def touchable-highlight-class (r/adapt-react-class (.-TouchableHighlight react)))
+(defn get-react-property [name]
+  (aget react name))
+
+(defn adapt-class [class]
+  (when class (r/adapt-react-class class)))
+
+(defn get-class [name]
+  (adapt-class (get-react-property name)))
+
+(def app-registry (get-react-property "AppRegistry"))
+(def navigator (get-class "Navigator"))
+(def text (get-class "Text"))
+(def view (get-class "View"))
+(def image (get-class "Image"))
+(def touchable-highlight-class (get-class "TouchableHighlight"))
 (defn touchable-highlight [props content]
   [touchable-highlight-class
    (merge {:underlay-color :transparent} props)
    content])
-(def toolbar-android (r/adapt-react-class (.-ToolbarAndroid react)))
-(def list-view-class (r/adapt-react-class (.-ListView react)))
+(def toolbar-android (get-class "ToolbarAndroid"))
+(def list-view-class (get-class "ListView"))
 (defn list-view [props]
   [list-view-class (merge {:enableEmptySections true} props)])
-(def scroll-view (r/adapt-react-class (.-ScrollView react)))
-(def touchable-without-feedback (r/adapt-react-class (.-TouchableWithoutFeedback react)))
-(def text-input-class (r/adapt-react-class (.-TextInput react)))
+(def scroll-view (get-class "ScrollView"))
+(def touchable-without-feedback (get-class "TouchableWithoutFeedback"))
+(def text-input-class (get-class "TextInput"))
 (defn text-input [props text]
   [text-input-class (merge
                       {:underlineColorAndroid :transparent
@@ -31,11 +41,13 @@
                        :placeholder           "Type"}
                       props)
    text])
-(def drawer-layout-android (r/adapt-react-class (.-DrawerLayoutAndroid react)))
-(def touchable-opacity (r/adapt-react-class (.-TouchableOpacity react)))
-(def modal (r/adapt-react-class (.-Modal react)))
-(def picker (r/adapt-react-class (.-Picker react)))
-(def picker-item (r/adapt-react-class (.-Item (.-Picker react))))
+(def drawer-layout-android (get-class "DrawerLayoutAndroid"))
+(def touchable-opacity (get-class "TouchableOpacity"))
+(def modal (get-class "Modal"))
+(def picker (get-class "Picker"))
+(def picker-item
+  (when-let [picker (get-react-property "Picker")]
+    (adapt-class (.-Item picker))))
 
 
 (defn icon
@@ -44,20 +56,18 @@
    [image {:source {:uri (keyword (str "icon_" (name n)))}
            :style  style}]))
 
-;(def react-linear-gradient (.-default (js/require "react-native-linear-gradient")))
-;(def linear-gradient (r/adapt-react-class react-linear-gradient))
-
-(def linear-gradient-class (js/require "react-native-linear-gradient"))
+(def linear-gradient-class (u/require "react-native-linear-gradient"))
 (defn linear-gradient [props]
-  (r/creacteElement linear-gradient-class
+  (r/create-element linear-gradient-class
                     (clj->js (merge {:inverted true} props))))
 
 
-(def platform (.. react -Platform -OS))
+(def platform
+  (when-let [pl (.-Platform react)] (.-OS pl)))
 
 (def android? (= platform "android"))
 
 (defn list-item [component]
   (r/as-element component))
 
-(def dismiss-keyboard! (js/require "dismissKeyboard"))
+(def dismiss-keyboard! (u/require "dismissKeyboard"))
diff --git a/src/status_im/contacts/handlers.cljs b/src/status_im/contacts/handlers.cljs
index 268b701815..bbb7fd8b7c 100644
--- a/src/status_im/contacts/handlers.cljs
+++ b/src/status_im/contacts/handlers.cljs
@@ -26,7 +26,7 @@
 (register-handler :load-contacts load-contacts!)
 
 ;; TODO see https://github.com/rt2zz/react-native-contacts/issues/45
-(def react-native-contacts (js/require "react-native-contacts"))
+(def react-native-contacts #_(js/require "react-native-contacts"))
 
 (defn contact-name [contact]
   (->> contact
diff --git a/src/status_im/handlers.cljs b/src/status_im/handlers.cljs
index 4010049665..6aa74b5c5f 100644
--- a/src/status_im/handlers.cljs
+++ b/src/status_im/handlers.cljs
@@ -35,15 +35,19 @@
 
 ;; -- Common --------------------------------------------------------------
 
+(defn set-el [db [_ k v]]
+  (assoc db k v))
+
 (register-handler :set
-  (debug
-    (fn [db [_ k v]]
-      (assoc db k v))))
+  debug
+  set-el)
+
+(defn set-in [db [_ path v]]
+  (assoc-in db path v))
 
 (register-handler :set-in
-  (debug
-    (fn [db [_ path v]]
-      (assoc-in db path v))))
+  debug
+  set-in)
 
 (register-handler :initialize-db
   (fn [_ _]
diff --git a/src/status_im/i18n.cljs b/src/status_im/i18n.cljs
index 4a6157cc23..aff04c97b2 100644
--- a/src/status_im/i18n.cljs
+++ b/src/status_im/i18n.cljs
@@ -1,12 +1,15 @@
 (ns status-im.i18n
   (:require
-    [status-im.translations.en :as en]))
+    [status-im.translations.en :as en]
+    [status-im.utils.utils :as u]))
 
-(def i18n (js/require "react-native-i18n"))
+(def i18n (u/require "react-native-i18n"))
 (set! (.-fallbacks i18n) true)
 (set! (.-defaultSeparator i18n) "/")
 
 (set! (.-translations i18n) (clj->js {:en en/translations}))
 
 (defn label [path & options]
-  (.t i18n (name path) (clj->js options)))
+  (if (exists? i18n.t)
+    (.t i18n (name path) (clj->js options))
+    (name path)))
diff --git a/src/status_im/persistence/realm.cljs b/src/status_im/persistence/realm.cljs
index 7056c11e9d..5d304828fe 100644
--- a/src/status_im/persistence/realm.cljs
+++ b/src/status_im/persistence/realm.cljs
@@ -2,7 +2,8 @@
   (:require [cljs.reader :refer [read-string]]
             [status-im.components.styles :refer [default-chat-color]]
             [status-im.utils.logging :as log]
-            [status-im.utils.types :refer [to-string]])
+            [status-im.utils.types :refer [to-string]]
+            [status-im.utils.utils :as u])
   (:refer-clojure :exclude [exists?]))
 
 (def opts {:schema [{:name       :contacts
@@ -68,9 +69,10 @@
                                                  :objectType "tag"}
                                   :last-updated "date"}}]})
 
-(def realm-class (js/require "realm"))
+(def realm-class (u/require "realm"))
 
-(def realm (realm-class. (clj->js opts)))
+(def realm (when (cljs.core/exists? js/window)
+             (realm-class. (clj->js opts))))
 
 (def schema-by-name (->> (:schema opts)
                          (mapv (fn [{:keys [name] :as schema}]
diff --git a/src/status_im/utils/crypt.cljs b/src/status_im/utils/crypt.cljs
index 87730efe8c..0b3f2dd7d0 100644
--- a/src/status_im/utils/crypt.cljs
+++ b/src/status_im/utils/crypt.cljs
@@ -1,9 +1,10 @@
 (ns status-im.utils.crypt
   (:require [goog.crypt :refer [byteArrayToHex]]
-            [clojure.string :as s])
+            [clojure.string :as s]
+            [status-im.utils.utils :as u])
   (:import goog.crypt.Sha256))
 
-(def random-bytes (js/require "react-native-randombytes"))
+(def random-bytes (u/require "react-native-randombytes"))
 
 (def sha-256 (Sha256.))
 
@@ -19,7 +20,7 @@
   (byteArrayToHex (.digest sha-256)))
 
 (defn gen-random-bytes [length cb]
-  (.randomBytes random-bytes length (fn [& [err buf]]
+  #_(.randomBytes random-bytes length (fn [& [err buf]]
                                       (if err
                                         (cb {:error err})
                                         (cb {:buffer buf})))))
diff --git a/src/status_im/utils/phone_number.cljs b/src/status_im/utils/phone_number.cljs
index 137a1c37b5..da0ada6733 100644
--- a/src/status_im/utils/phone_number.cljs
+++ b/src/status_im/utils/phone_number.cljs
@@ -1,16 +1,17 @@
-(ns status-im.utils.phone-number)
+(ns status-im.utils.phone-number
+  (:require [status-im.utils.utils :as u]))
 
-(def i18n (js/require "react-native-i18n"))
-(def locale (.-locale i18n))
+(def i18n (u/require "react-native-i18n"))
+(def locale (or (.-locale i18n) "___en"))
 (def country-code (subs locale 3 5))
-(set! js/PhoneNumber (js/require "awesome-phonenumber"))
+(def awesome-phonenumber (u/require "awesome-phonenumber"))
 
 ;; todo check wrong numbers, .getNumber returns empty string
 (defn format-phone-number [number]
-  (str (.getNumber (js/PhoneNumber. number country-code "international"))))
+  (str (.getNumber (awesome-phonenumber. number country-code "international"))))
 
 (defn valid-mobile-number? [number]
   (when (string? number)
-    (let [number-obj (js/PhoneNumber. number country-code "international")]
+    (let [number-obj (awesome-phonenumber. number country-code "international")]
       (and (.isValid number-obj)
            (.isMobile number-obj)))))
diff --git a/src/status_im/utils/sms_listener.cljs b/src/status_im/utils/sms_listener.cljs
index f00d54b7e9..04204116a2 100644
--- a/src/status_im/utils/sms_listener.cljs
+++ b/src/status_im/utils/sms_listener.cljs
@@ -1,7 +1,8 @@
 (ns status-im.utils.sms-listener
-  (:require [status-im.components.react :refer [android?]]))
+  (:require [status-im.components.react :refer [android?]]
+            [status-im.utils.utils :as u]))
 
-(def sms-listener (.-default (js/require "react-native-android-sms-listener")))
+(def sms-listener (.-default (u/require "react-native-android-sms-listener")))
 
 ;; Only android is supported!
 
diff --git a/src/status_im/utils/utils.cljs b/src/status_im/utils/utils.cljs
index 02d54d3f88..c20a6c1e2a 100644
--- a/src/status_im/utils/utils.cljs
+++ b/src/status_im/utils/utils.cljs
@@ -5,6 +5,11 @@
    [natal-shell.toast-android :as toast])
   (:require [status-im.constants :as const]))
 
+(defn require [module]
+  (if (exists? js/window)
+    (js/require module)
+    #js {}))
+
 (defn log [obj]
   (.log js/console obj))
 
diff --git a/test/status_im/appium.clj b/test/clj/status_im/appium.clj
similarity index 100%
rename from test/status_im/appium.clj
rename to test/clj/status_im/appium.clj
diff --git a/test/status_im/console.clj b/test/clj/status_im/console.clj
similarity index 100%
rename from test/status_im/console.clj
rename to test/clj/status_im/console.clj
diff --git a/test/cljs/status_im/test/handlers.cljs b/test/cljs/status_im/test/handlers.cljs
new file mode 100644
index 0000000000..70f4ae44c6
--- /dev/null
+++ b/test/cljs/status_im/test/handlers.cljs
@@ -0,0 +1,6 @@
+(ns status-im.test.handlers
+  (:require [cljs.test :refer-macros [deftest is]]
+            [status-im.handlers :as h]))
+
+(deftest test-set-val
+  (is (= {:key :val} (h/set-el {} [nil :key :val]))))
diff --git a/test/cljs/status_im/test/runner.cljs b/test/cljs/status_im/test/runner.cljs
new file mode 100644
index 0000000000..14bda7de00
--- /dev/null
+++ b/test/cljs/status_im/test/runner.cljs
@@ -0,0 +1,5 @@
+(ns status-im.test.runner
+  (:require [doo.runner :refer-macros [doo-tests]]
+            [status-im.test.handlers]))
+
+(doo-tests 'status-im.test.handlers)