Here is the full list of all 19 Picross Hansel and Gretel - there are Nonograms achievements.
Lake world complete
Fairytale forest world complete
40 levels with 3 stars
All mini-games complete
3 levels in raw without hints
Hamlet world complete
Mini-game complete
Solved in less, then 60 seconds
Tutorial finished
Mountain world complete
Completed world Gingerbread Castle
Earned 100.000 coins
All Trophies collected
50 hints used
20 hints bought
All levels with 3 stars
Collected all spell parts
World completed without hints
100 levels with 3 stars