At First Interesting but Nah..Honestly the game protray it to be a games that allow you to do so much with waifu and war... Well not really if anything its just indie war game.
If you really want a masterful customization just play one of there's recommendations and yes its PC game. There's no powerful customization game available for mobile yet unless your phone can handle "50GB and navidia graphic cards" Which is impossible. Like just build a gaming PC and play there's instead... All the games has unlimited customization. (Company Illusions)
1) Koikatsu - School settings that you are there to teach them love and "man" to a school without any man. The animations by default will looks like MMD unless you use mod it will look "very stunning"