You should put all boxes in place.
Approach the box by touching the side place of a box.
Then press the box to push it.
You can push only one box.
You cannot pull boxes but you can use 'undo' button.
I have obtained the level data from the following Web site.
Level Developer :
How to install Push Box Puzzle APK?
2. Click the download button to download Push Box Puzzle.Once the download completed,find Push Box Puzzle in your download folder or notification center and tap the icon to install the APK.
3. Find Push Box Puzzle icon in your home screen then tap the icon to open it.