The Android operating system is good but the ability to play GBA games on it at full or near full speed is awesome, heres the info to a new release of VGBAnext:

Nintendo GameBoy Advance/GameBoy Color/GameBoy emulator for Android has been updated. Changes:
* Fixed gamepad on Nvidia ShieldTV and other AndroidTV devices.
* Any "virtual-*" input devices are now ignored.
* Fixed rotated backgrounds bug (scenery in Top Gear Rally, etc).
* Fixed issue with backup save file being chosen over the normal one.
* Fixed remaining DropBox issues.
* Fixed upload dates on the DropBox files.
* Made DropBox worker queue more reliable.
* Renamed DropBox authorization activity.
* Fixed a few other bugs in the DropBox code.
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