CodeCanyon - Weeki Messenger - Instant Messenger (Full App) (Update: 15 September 16) - 17493349
Fast, fully designed and instant messaging app for android with a lot of great features. With this application, you can talk with anyone in your friend list without any limitations with attachment feature like sharing images and sending emoticons. The app is fully designed and is purely coded to make it easier to understand for developers. You can find friends, add them and start talking with them without any wait just like instant messaging. The important feature of this app is it's group messaging with unlimited users. You can create as many group conversations as you want to talk together with peoples who are most important to you. The app works together with PHP and MySQL on server-side and SQLite on client-side.
(Buy premium account for maximum speed and resuming ability)