Windows 3.00a can now run on the Nintendo DS via DSX86 - which is the ARM version of a DOS emulator.
I can't program in ASM, but think of the possibilities?
Link
I can't program in ASM, but think of the possibilities?
Link
Also feel free to test various 16-bit Windows games, many of those should now run (as long as they don't try to use some 386 processor features).