GBA Emulator Sony Tablet S

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Hi, I am trying to get the Gameboy Advance emulator to work on my Sony Tablet S. I downloaded an emulator called GameBoid and downloaded the BIOS file. I have linked the Bios file with the GBA emulator but whenever i try to play a game it just freezes. Is there a recommeded emulator out there for the sony tablet or does it seem like I am doing something wrong? Any suggestions?