No it do not support all of QBASIC, it's a custom language, but it is very similar.
The main difference is that LowResNX simulate a fantasy GPU chip, that only support sprite and background layers are where all the pixel source are restricted to square of 8x8 pixels, similar to NES or GBA.
The main difference is that LowResNX simulate a fantasy GPU chip, that only support sprite and background layers are where all the pixel source are restricted to square of 8x8 pixels, similar to NES or GBA.
Have fun.