Bug fix on multiplayer

Bug fix and OS compatibility.

bug fix

bug fix

maintenance

- bug fix
- bring back percentage in the stats

- 15 years celebration version
- several bug fixes
- compatibility update
- improved statistics

- fix crash on iOS13

- iOS compatibility fix
- deck download fix

- fix bug with nearby multiplayer

- bug fix
- iOS compatibility

- bug fix (multiplayer)

bug fix and iOS compatibility

fixed bug with nearby multiplayer

- bug fix
- compatibility to iOS 13

- bug fix (decks)

* bug fix
* new difficulty level “very easy”

- bug fix
- GDPR compliance

- bug fix
- in-app purchase to remove Ad's

- fix and issue with cards selection on iPhoneX
- fix score view on iPhone 4s
- bug fix

- bug fix

- bug fix

- bug fix
- iPhoneX support

- bug fix for iOS11

- several bug fix
- fixed a bug with nearby multiplayer
- fixed a bug in the achievements
- improvements to multiplayer online (incl. added sign-in for dljMP; GPGS service removed)

- bug fixes and improvements