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

Changes:

* Generic joystick buttons can now be assigned and used.
* Fixed virtual keyboard SSHIFT.
* Added accurate R register emulation, many protected boot loaders run.
* Added accurate LDIR/LDDR emulation, more protected boot loaders run.
* Added configurable auto-fire function.
* Added optional light UI theme throughout the app.
* Added support for +3 disk images to WoS Browser.
* Autoloading disks when inserting the first disk.
* Autoswitching to +3 mode when loading +3 disk.
* Fixed audio skipping.

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