Robot Tactics is currently having a global pre-registration opening. The free to play mobile game is a strategy card RPG about girls in mechs. Pre-registrants will have exclusive rewards which are AP Potion (Small) *5, PP Potion*1, Parts & Parts Weapon Ticket*1, Crystal Ticket I*1 and Steel Ticket I*1. Game will launch on July 30. For more details, check out the pre-registration page. Here's a trailer.
Android Pre-registeration: https://prelaunch.me/android/OTAy