Actually, this one is not enjoyable. Due to rigid rotation of elements between only 2 positions there is limited (if not only one) way to solve puzzle, but this way(s) are hard to imagine.
I like how game actually requires planning in advance, but still give little room for mistake if planning were flaved. Definitely need some badge for folks who manage to beat it with little deaths.
For future sequels consider also adding option to rotate side squares independently. This increase possible combination number, but also allow multiple solutions. To keep things from becoming too easy consider making such rotations limited in number.
Thanks for the ideas, I will consider them. I also had the idea to add another layer with other shapes so that the stickers could take different forms when these layers were overlapping... mybe in future...
 "You Find Yourself In A Room"){kind=icon}
 "Idling to Rule the Gods"){kind=icon}
 "You Shall Know The Truth"){kind=icon}
 "DUMO"){kind=icon}
 "Trader of Stories - Chapter 2"){kind=icon}
 "Amidst the Sky"){kind=icon}
 "Color Strips"){kind=icon}
 "My Own Star"){kind=icon}
 "Moby Dick 2"){kind=icon}
 "Fleeing the Complex"){kind=icon}
 "Temple of the Four Serpents"){kind=icon}
 "Mini Arrows"){kind=icon}
 "Bubble Tanks 3"){kind=icon}
 "Naklejka"){kind=icon}
 "Little Phobia"){kind=icon}
Thanks for the ideas, I will consider them. I also had the idea to add another layer with other shapes so that the stickers could take different forms when these layers were overlapping... mybe in future...