What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "Li Ji"
★★★★★
------
What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "Good service"
★★★★★
------
What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "great app for me"
★★★★★
------
What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "The best The best remote app I have ever seen. too simple to use. But it would be great if you guys add the remote keyboard function for typing. That's a much needed feature. Keep it up"

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
★★★★★
------