Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.fsck.k9.
Ans: The best It works awesome for my Gmail accounts  love it!

Generate a 4-star review (1 being lowest and 5 being highest) about an app with package org.geometerplus.zlibrary.ui.android.
Ans: The best epub reader

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package net.sourceforge.opencamera.
Ans: Open camera Great app  easy to install and use!

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.google.android.apps.authenticator2.

Ans: Love it