So last nights ToD, dude was talking about a Shroud app for the puzzles. SO I checked for it. Yup there it is. Suprise it works and is simple to use PLUS u can choose random and work a app generated puzzle. Addicting.

There is also a reaver solver. EASY to use but no random gen for practice.

Search for:
Shroud puzzle...
Reaver puzzle...

I know DUH.