i wrote to developer of ppsspp with question if he can compile application to our n900. he wrote me back:

On 21.03.2013 21:01:00 CET, Henrik Rydgård <hrydgard@gmail.com> wrote:

> Nope, I have no such device or any development environment. Maybe you can
> find a developer who does to do it for you, I'd accept such a port in the
> project.

So our hope is in you.

sorry for my english. good luck