Added link for FirefoxOS app and more details in readme

Author: Elfoslav

README.md

@@ -8,3 +8,9 @@ Chat with your friends faster
 Different than classic chat. User can see in realtime what other user types (every single letter).
 
 Available on [https://fasterchat.com](https://fasterchat.com)
+
+FirefoxOS app: [https://marketplace.firefox.com/app/fasterchat](https://marketplace.firefox.com/app/fasterchat)
+
+Android app comming soon.
+
+I'm looking for someone who could port FasterChat to iOS and Windows phone