What's the point of PlayStation Trophies?

Related questions

1. Are ps4 trophies worth it?
2. Does changing PSN name affect games?
3. Does Sony rewards cost money?
4. How much are ps4 trophies worth?
5. Do ps3 Trophies show up on ps4?
6. Can you get ps4 trophies offline?
7. What company owns Epic Games?
8. How many points are PSN trophies worth?
9. Is Sony Rewards free?
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Tags

1. #recently
2. #skills
3. #rewards
4. #passes
5. #reason
6. #however
7. #simply
8. #games
9. #bonuses
10. #trophies
11. #primary
12. #accomplishments
13. #playstation
14. #their
15. #through
16. #players
17. #gaming
18. #offered
19. #program
20. #friends