If you are interested in android programming and have a creative mind you can create a simple image editor for android for your own personal use:-
1> This program is concentrated on drawing text on a resource image and saving it on sd-card.
2>We can undo all editing at any time if we do not want so.
3>Drawing text can be change any time.
4> #You can 'Try' it your self and change its functionality according to your requirements.
5> Easy to implement and supports all devices. :)
final output:-
Creating Simple Image Editor in Android(with Basic Functionality)