If you like Tactics Ogre, you will really like The Battle for Wesnoth. Totally worth shouting out the fact it just got released on Steam today.
There is an Android version. You can play it on a PSP emulator too. There is rumors of a remake, perhaps soon there will be a PC new version
Tournament kicks off this Saturday (June 13) at 2pm NY/ 7 pm London. Sign up: https://discord.com/invite/aDkNjuV to guarantee a place in the tournament and more info!