The shoes are brown, not yellow. The legs are uneven, his crotch is too long, there aren't any backpack straps, and his arms end on the hips. They don't end on their stomachs.
Also, I see you're not filling in the dreaded white dots when coloring. Please keep that in mind when finishing up your venture of improving your game development skills on limited software.
P.S. I'm sorry for the harsh review of your RS1 remake.
P.S.S. I meant the white dots all over the outlines, not the eyes.