If you want to download Sudokumo and try it before you decide to buy your own unique puzzles you can! Just point the WAP browser on your cell phone to
wap.sudokumo.com/free
and follow the instructions to download the free sample!
The free sample contains three boards - one easy, one medium and one hard - that do not change. The full version of the game contains ten or more unique puzzles. That means that each time you buy the full version of the game it will be delivered to your phone with puzzles you have never before solved.