Probably will work somehow on the latest Raspberry Pi 2? Those hardware upgrades *drools*
But yeah, making LWJGL working on Raspberry Pi gonna need to do a lot of hacking... especially when you want to have hardware acceleration
One side note, I am looking at the source code on the part of the layout of opsu!, it just doesn't feel right (some misaligned arrows, unusually giant score bars...) and see whether I can fix it using % rather than using some hacky offsetting or things that complicate things instead...

But yeah, making LWJGL working on Raspberry Pi gonna need to do a lot of hacking... especially when you want to have hardware acceleration
One side note, I am looking at the source code on the part of the layout of opsu!, it just doesn't feel right (some misaligned arrows, unusually giant score bars...) and see whether I can fix it using % rather than using some hacky offsetting or things that complicate things instead...