Why some apps are not compatible with my device?

Related questions

1. Why apps are not downloading in my phone?
2. Why my WhatsApp number is banned?
3. Why are my apps not downloading on my Android?
4. Why are all of my downloads failing?
5. What is APK signature?
6. What is signed APK in Android?
7. Why WhatsApp is not downloading on my iPhone?
8. What is the difference between signed and unsigned APK?
9. Why are my apps not working on my Android?
10. Is there any problems with WhatsApp?

Tags

1. #navigate
2. #manager
3. #issue
4. #device
5. #store
6. #message
7. #operating
8. #appears
9. #cache
10. #installing
11. #compatible
12. #error
13. #restart
14. #version
15. #clearing
16. #google
17. #android
18. #again
19. #system