9/10 first drawing. Left eye of Left character is a bit off, but otherwise A+ I see no issues here. Continue.
Fish/10 second drawing because I can't judge something that is incomplete, so I give you a fish for dinner, and ask of you to continue.
you're doing fine. :3
For digital art. Get Gimp. Its free and pretty much Photoshop (for those who don't want to pay for it because that's stupid.)
Trust me. Having the ability to have layers (pages over transparent pages) to erase, and add, to what you already think is good, without the possibility of messing it up is a godsend. It's a great drawing tool. Paint is fine to start and doodle, but Gimp is easier to level up art skills faster.
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Layer 1 messy sketch. all the sketching.
layer 2 draw over with another color, simplify the sketch. trace where you think it looks good
layer 3 perfect the sketch.
layer 4 add smaller detail sketch
layer 5 draw with more detail
6 perfect the smaller details
7 etc
8 continue
etc etc etc
final draft perfect all your linework.
new layer, bring it UNDER your final linework. and color.
new layer shades
new layer highlights
new layer anything else
save often often often often SAVE always. it sucks losing hours and hours of work because dumb reasons.