Check out paintastic
A fantastic drawing and painting app for all ages.
UNIQUE FEATURES
- multicolor option for brush & background
- variety of brush shapes - circle/leaf/heart/star etc, styles - blur, emboss, neon with full control over size, opacity, scatter, jitter.
- with scratch mode on, scratch the canvas to reveal background with desired brush.
- insert shapes, text (customization of brush and color applicable)
- save and share your creation via e-mail, facebook, twitter, etc
- selection tool - copy,move,transform, rotate, flip selected area of canvas
Make beautiful & colorful drawings and greeting cards with just few strokes in seconds.
Let the creativity flow and paint your imagination 
