How about porting Hydra Castle Labyrinth? It has been recently ported to PSVita and 3DS
here's the source of the ports
https://github.com/Rinnegatamante/HCL-Vita
https://github.com/MegaPramuk/HCL-3DS
this should be the original source
https://github.com/jdk211/Hydra_Castle_Labyrinth
here's the source of the ports
https://github.com/Rinnegatamante/HCL-Vita
https://github.com/MegaPramuk/HCL-3DS
this should be the original source
https://github.com/jdk211/Hydra_Castle_Labyrinth