Question: Generate a 1-star review (1 being lowest and 5 being highest) about an app with package net.nurik.roman.muzei.
Answer: Vry bad

Question: Generate a 4-star review (1 being lowest and 5 being highest) about an app with package uk.ac.ed.inf.mandelbrotmaps.
Answer: Great Showing renderning times by default seems annoying and default colouring schema may be better does not look well for me at least at startup.. Otherwise it is a very nice fast and intuitive viewer that makes great use of the touch screen.

Question: Generate a 4-star review (1 being lowest and 5 being highest) about an app with package com.frostwire.android.
Answer:
It's useful. I honestly couldn't find an app that's good to download music but this is great!