There are 3 simple steps to create your own sprite sheet:
TexturePacker helps you reduce memory usage and improve game's performance
For best performance directly export to your target system's image formats like PVR, KTX and others.
Don't know where to start?
Take a look at TexturePacker's tutorial section or grab a book!
Contact me and I'll try to find a solution for your problem!
TexturePacker can export to loads of gaming frameworks out of the box!
Your favorite is not yet available?
Just create your own exporter or contact me!