Generate a 1-star review (1 being lowest and 5 being highest) about an app with package com.fsck.k9.
Ans: Possibly a good app if it was dragged out of the stone age. Exchange 2010 is only 7 years old so far but unusable on this app - gotta be taking the piss

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.frostwire.android.
Ans: Great downloader best I've ever seen

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.google.android.gms.
Ans: Love it

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.google.android.gms.
Ans: YouTube