Lucky Block description

Welcome to Lucky Block, the classic gameplay and fun. Drag and match blocks to complete lines to eliminate them on the 10*10 board.
In Lucky Block, you can hold every block when you not want to use it, which means you can get higher score if you are good at using this function.
When you play 3 games, challenge mode will be unlocked. In challenge mode, you can play 3 puzzles every day. Can you solve all puzzles?