What is the Box Blocks game, how does it work?

According to the introduction of Kidga: free puzzle games, Box Blocks is a Puzzle game on the Android platform. There is currently a 1.46 version released on Jan 18, 2019, you can see the details below.

Blocks Box is a simple blocks match puzzle - simply drag the blocks and try to fill all the grids. Infinite count of levels.

Game RULES
• Drag the puzzle blocks to move them.
• Aim to fit them all into the frame.
• Blocks can't be rotated.
• Touch puzzle blocks to remove them from the field.

Fix critial issues.
Fix field layout.