Auto Brawl Chess: Battle Royale for Android
The player can choose heroes and units for the battle. For units killed from the opponent's team you will get money to buy units right during the battle. Upgrade is done through a merger - you need to combine two identical units to get one with a higher level.
The battlefields are made in different styles with one similarity - all of them are divided into squares like a chessboard. There are campaign mode and PvP, guild system and guild wars, different ratings. There are many quests that you can perform automatically and upgrade the hero without the player's participation.