Yes — on Google Play
Shotgun King has a Google Play listing.
App Store
On Google Play
Is Shotgun King on Android?
About Shotgun King
Chess, but all your army has gone over to the white side, leaving you with nothing but your royal shotgun and your wounded pride. Carried by your dark folly, you decide it's time to teach those white pieces to fear the Shotgun King. Every turn, you may either move your king or shoot at enemy pieces, after what you'll…
Shotgun King is listed on both the App Store and Google Play from Plug In Digital, so you can install it on Android phones and tablets. The Play Store listing shows 10,000+ installs.