Mahjong TD bai

Our app is a mahjong game with two game modes:
Game Instructions:
Mode 1: Find the Difference
A special mahjong will be displayed at the beginning of the game. After remembering its appearance, find it among many mahjongs!
Drag other mahjongs to find the target
Click the target mahjong to win
You can use the hint button to find the target

Mode 2: Find All
Find all special mahjongs among many mahjongs! Each special mahjong has a yellow mark.
Click on the special mahjong to collect
Collect all special mahjongs to win
Each special mahjong adds 10 points

General rules: Time limit 60 seconds