What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "Amazing The best music download ever it has everything"
★★★★★

What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "App only seems to backup messages I've sent. Am I doing something wrong?? Help!!"
★

What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "Not installing I am on a Google nexus 5. It is stuck on installing. Please do fix this  I like the idea of this app and I'd like to use it."
★

What would be the ★-rating of this review (★ being the lowest and ★★★★★ being the highest)? "Good app"
