The only way to becoming a 5-star app is to first have an excellent user experience. Once that first requirement is met, implementing a user-friendly feedback system such as the one above should help. Always put yourself in the shoes of your users.
No magic, just this 3 simple steps highlighted by the Matt Galligan the creator of Circa, which has 963 5 stars reviews out of its 1076 rating. Awesome feat.
- Build a great app
- Don’t annoy your users
- Ask nicely, don’t beg