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:

* Majorly improved AY8910 PSG emulation.
* Added working INDEX flag to WD1793 disk controller.
* Added “Tilt Joystick Blind Radius” setting.
* Automatically enabling TRDOS for .TRD, .SCL, or HOBETA files.
* Fixed directional pad activated by touching outside.
* Fixed network play, previously broken for some users.
* Fixed +3 mode selection to happen for .DSK files (was .SCL).
* Fixed virtual keyboard and some gamepads causing app exit.
* Fixed FIREB button to only generate SPACE keypress.

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