Online Honkai impact 3rd Offline shameless advertising for kiwiwalks Witch Spring Witch Spring 2 Witch Spring 3
If you're into MOBA then Vainglory If you like some mmrpg then Toram Online If you like choice games then Choice of a dragon There is also Soul Knight
Romancing Saga 2, or anything with 'Dragon Quest' in the title. Except DQ 8. That one's a horrible mobile port.
I know someone recommended it before me, but.... Honkai Impact 3( that the full name of Honkai Impact) A Planet Of Mine Full Of Music( Offline and .mp3 comparability).
Try to play FREEFIRE Or Rules of Survival it was very addicted .. well freefire is more intense for me even rules of survival has a good graphics to see.