Graphics in game is cute and gameplay is easy to understand and enjoy. You can get other chatacters by gacha that was called "Raffle". If you looking for cute mobile game to play, I recommend this game.
Strike Planet - Arcade Mobile Gameplay in 3 Minutes ^_^
https://youtu.be/mlkE0HKQm0k
This game is very fun, characters are very cool, gacha rates is good more than other games, and has a lot of activity to do. If you finding Strategy RPG genre mobile games to play in this weeked. This game is the best one that I recommend.
If you want to watch Gameplay to make decision. I made it that you can understand basic gameplay in 3 minutes. ^^
My Hero Academia: The Strongest Hero | Traditional Chinese
5.0My Hero Academia: The Strongest Hero - Action RPG Mobile Gameplay in 3 Minutes ^_^
https://youtu.be/ktqgZ47MkBs