Emoji Keyboard is and advanced extension for your existing Android application. The keyboard is intended for such applications as Messengers or Social Activity apps.
It can not be used by default as a standalone keyboard available in Android keyboard settings!
This app contains all emoji icons supported by Unicode standard. You can read more about them on wikipedia. There are 849 emoji icons in the Keyboard. The app has a listview preview, which is identical to what Whatsapp or Telegram uses. Each emoji icon has UTF standard code that can be sent to other mobile or PC devices and converted back to emoji icons. The app analyses most popular emoji icons and puts them under Recent category (SQLite database is used for this purpose).