One of the most active homebrew/emulation/hacking scenes is the Nintendo 3DS and also the Nintendo 2DS, i love my 3DS but always turn off the 3D because it hurts the eyes, heres the last 10 items of news from PDRoms:

Craftus Reloaded v0.3 Pre 2 (3DS misc) (Nintendo 3DS)

GodMode9 Explorer v1.4.3 (3DS Application) (Nintendo 3DS)

mGBA v0.6.1 (GBA emu for 3DS) (Nintendo 3DS)

GodMode9 Explorer v1.4.2 (3DS Application) (Nintendo 3DS)

Zelda Time to Triumph (Zelda 3T) v1.0 (3DS Game Port) (Nintendo 3DS)

FBI v2.4.12 (3DS Application) (Nintendo 3DS)

Meritous v1.4-1 (3DS Game Port) (Nintendo 3DS)