What is the difference between APK and SDK?

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Tags

1. #targeting
2. #platform
3. #format
4. #stands
5. #software
6. #operating
7. #applications
8. #system
9. #number
10. #develop
11. #mobile
12. #installation
13. #android
14. #package
15. #middleware
16. #distribution
17. #features
18. #specific
19. #tools