We have 1 cheats and tips on 3DS. If you have any cheats or tips for Picross e7 please send them in here. You can also ask your question on our Picross e7 Questions & Answers page.
When you have save data from Picross e, e2, or e3 on your 3DS you will be able to unlock 5 special puzzles. Each game's save adds 5 puzzles giving you a total of 15 overall.