Speccy is a Sinclair ZX Spectrum home computer emulator, but also emulates a Sam Coupe. It will run software written for Spectrum 16k, 48k, 128k, +2, +2A, +3, Timex Sinclair, Pentagon, and Skorpion home computers.

Changes:

* Added Spectrum128 virtual keyboard, with extended keys.
* Added custom key assignments for freezing and restoring state.
* Added “General | Confirm Freezing State” option.
* Added “Emulation | Virtual Keyboard Type” option.
* Added “General | Show Portrait Backdrop” option.
* Fixed support for .ZIP files stored on Kitkat SD cards.
* Allowing to remap Xperia Play “O” button.
* You can supply your backdrop in /sdcard/Speccy/Backdrop.png.
* RECORD/PLAY hardware keys now freeze/restore gameplay.

https://play.google.com/store/apps/details?id=com.fms.speccy&hl=en