RetroBoy is a really cool GBC Emulator for Android.

You can play all your favorite GB and GBC Games with this Emulator.
NO GAMES INCLUDED.

Features:
- Cool looking fancy UI
- Customizeable Virtual Controller Support.
- Save and load Gamestates on the fly with Screenshots and AutoSave.
- Hardware Keyboard are supported
- Works with HID Bluetooth gamepads
- GB GBC and load Games from zip file

Usage:
Place your roms somewhere on the phone Retroboy will find them.