What is Aosp extended ROM?

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Tags

1. #based
2. #customizations
3. #which
4. #stock
5. #substratum
6. #project
7. #android
8. #commits
9. #extended
10. #theme
11. #projects
12. #engine
13. #features
14. #along
15. #picking
16. #cherry
17. #provides
18. #other
19. #various