It sounds like you're asking about on the PSP (PlayStation Portable).
If you want to play a High School DxD game, your best bet is to find a or PS Vita (and the physical game cartridges, as digital stores are closed for those systems).
It sounds like you're asking about on the PSP (PlayStation Portable).
If you want to play a High School DxD game, your best bet is to find a or PS Vita (and the physical game cartridges, as digital stores are closed for those systems). High School Dxd Psp