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:

* Released free Speccy 4.0 for Windows and Linux.
* Added “Input | Assign Keyboard Keys” option for mapping arbitrary keys.
* Renamed “Assign Keys” to “Assign Joystick Buttons”.
* Switched to android-22 (Lollipop 5.1.1) Android SDK.

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