Note: If you do not need install apk you can try an online emoji keyboard: http://goo.gl/ML1j5J

it is an flat style theme keyboard that support to input emoji in everywhere(like in Facebook/Twitter) you can see the beautiful flat style keyboard UI and input emoji very convenient if you need more keyboard Theme Please install Keyboard Theme Manager app.

Feature:
- Flat white style keyboard UI.
- Custom keyboard font.
- Gesture slide input.
- Input Emoji in any apps only first page of each type in free version.
- Support the suggestion of English/French/Italian/Spanish input.
- Support too much keyboard themes.
- ...

Importan Notes:

If you are S3/S2 or other samsung device and can't see black and white emoji. you can try to install an font. it is free:
- http://goo.gl/aiSx9r
- Then select font: System Setting > Display > Font Style then select Emoji.

How to enable it?
- Open this app.
- Click the "Enable emoji keyboard" then enable the it in the system input settings.

How to set it as default keyboard:
- Open the app.
- Click the "Set default keyboard" you can change an input as default keyboard.

Why I can't see emoji?
- if your android is under 4.1 maybe you can't see any pls contact with me.
- some part can support by android but all apple devices can see all.