1. Open a puzzle
2. Notice active area on the picture which is highlighted
3. Drag pieces from the bottom of the screen to its destination on the highlighted part of the puzzle
4. To get a hint, tap on magnifying glass in the left bottom corner of the page. You can use 3 hints by default. If you wish to get an additional hint for free, touch magnifying glass and watch a short rewarded video
5. Pinch to zoom in if pieces are too small
