This app was mentioned in 4 comments, with an average of 2.00 upvotes
But there IS a HxH game.
https://play.google.com/store/apps/details?id=com.namcobandaigames.hunter
Google Play store link (you might need to use an APK downloader) https://play.google.com/store/apps/details?id=com.namcobandaigames.hunter&hl=en
https://play.google.com/store/apps/details?id=com.namcobandaigames.hunter
You now owe me your soul.
there is this game but you need to go to the japanese play store