A long time has passed since the release of the first version this summer. A lot of feedback was given, and the changes would maximum take 2 weeks to implement. Now, 3,5 months later, the release is ready for the world.
The new version has 15 new challenging levels, 3 new behaviour types for tiles, support for Highscores in iOS GameCenter, Level Hints, Settings and lots of minor improvements & fixes.
Level 18 preview: