The major update is out know for ShooterMate'86.

https://tibisoft.itch.io/shootermate-86

The main new fetures: 
 - introduction scene
 - new menu system
   - save and load function
 - new leveles (in total 7 levels are available now, including the 1st one as a tutorial)
 - 2 playable characters
 - weapon development
 - lot of other stuff.

Development is still ongoing, the actual version is free to download for all the 3 platforms (Android, Windows, HTML5 for browser play)