Titan Slots II

Feature improvements:
- Main task changes: all level tasks are now free to be completed at any time(except for those already completed or not unlocked yet
), added a medal mode and medal exchange feature.
- Slots mode changes: Added unlimited tasks and rankings, and a star exchange feature.
- Optimized Facebook-connected features.
- Fixed an issue related to save game data.

Your feedback gives us motivation to do better! We hope you all have a great time in Titan Slots II!