Enrich README (#23)

* Add Google Play Store badge

* Add missing commands

README.md

@@ -1,21 +1,57 @@
 # Context Launcher
 
-Context Launcher is an Android list-based launcher made to be simple and straight forward to use.
+Context Launcher is an Android list-based launcher made to be simple, practical and straight forward to use.
 
-Find it on [Google Play Store](https://play.google.com/store/apps/details?id=com.razinj.context_launcher).
+<a href='https://play.google.com/store/apps/details?id=com.razinj.context_launcher&utm_source=github_readme&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png' width="200"/></a>
 
 Become a [tester](https://play.google.com/apps/testing/com.razinj.context_launcher).
 
 ## Preview
 
 ![Screenshots](https://public.razinj.com/context-launcher-screenshots.jpg)
 
-## Commands
+## Run
 
-- Run:
-  - Install dependencies: `npm i`
-  - Install and launch app in an android device/emulator: `npm run android`
-- Open up the debugging menu: `adb shell input keyevent 82`
+Install dependencies:
+
+```shell
+# NPM
+npm ci
+# Gradle
+cd android && ./gradlew build
+```
+
+Install and launch app in an android device/emulator:
+
+```shell
+npm run android
+```
+
+## Build
+
+Debug `APK`:
+
+```shell
+cd android && ./gradlew assembleDebug
+```
+
+## Tests
+
+Only RN/Jest are implemented at the moment.
+
+Run:
+
+```shell
+npm run test
+```
+
+## Misc
+
+Open up the debugging menu:
+
+```shell
+adb shell input keyevent 82
+```
 
 ## Star History