1.4
2023-06-26
+ just upgrade sdks to follow apple ATT policy
1.3
2021-08-30
+ fix crash while running on no Chinese and no English language device
1.2
2021-03-22
+ upgrade to iOS 14
+ fix some bugs
1.1
2020-10-13
+ add new levels
+ upgrade some sdks
+ some small bugs fixed.