NesPaint

• Hold A to accelerate, and lock pattern.
• Hold B to paint pattern.
• Press select+up to select previous shape.
• Press select+down to select previous shape.
• Press select+right to select next palette.
• Press select+left to select previous palette.
• Press start+up to select previous foreground color.
• Press start+down to select previous foreground color.
• Press start+right to select previous background color.
• Press start+left to select previous background color.

To save your project, simply use your emulator's Save State(.nst) option.