To quote: PCE.emu is a PC Engine/TurboGrafx-16 emulator written in C++ for Android, iOS, WebOS and PS3. It uses the emulation backend from Mednafen and is built on top of the Imagine engine. The source is released under the GPLv3 license.
Accurate emulation and high compatibility rate (Note: Data swapped TG16 roms are not supported, see known issues below for a fix if you're getting a black screen on load)
Backup memory and save state support, auto-save and ten manual slots for save states
Supports ROM-based games in .pce and .sgx formats, optionally in .zip files
CD emulation via loading CUE or TOC+BIN files (select a system card rom in the options, for versions...