Pstros NDS Run java-based mobile games "Pstros NDS is a MIDP implementation running on the CLDC java machine compiled for the Nintendo DS. It allows you to run some java programs and games written for the mobile phones on your NDS. " Download below. Controls The program is a homebrewed application so you have to have one of the cards that allows you to run a custom software on the NDS. Just copy the content of the archive to the card and run the kvm.nds file (dont forget to patch the program if your card requires it). Then select a .class or .jad file and run it by pressing the (A) button. Hopefully the java program will run. Key mapping: Left Soft key - left pad Right Soft key - right pad Cursor keys - d-pad Fire - (B) button key  - (Y) button key  - (A) button key  - (X) button key [#] - (Start) button key [*] - (Select) button Download Official site Nod to DanTheManMS for the tip.