Generate a 4-star review (1 being lowest and 5 being highest) about an app with package com.google.android.gms.
Ans: Use full Very much useful to run different types of software in our smart phones.

Generate a 4-star review (1 being lowest and 5 being highest) about an app with package com.eleybourn.bookcatalogue.
Ans: A good app no big flaws and fairly easy to use. It won't scan and look up ISSN and is not able to look up books through UPC code only ISBN. Not sure if ISMN is supported but considering that most music is in electronic form these days as well as many CDs don't have the ISMN as a barcode it's not something that I would miss if it's not implemented.

Generate a 1-star review (1 being lowest and 5 being highest) about an app with package com.fsck.k9.
Ans: Didn't get it to work Tried several times to get it to work and failed. Other programs on the market know how to automatically import the email settings from the email accounts.

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package org.ppsspp.ppsspp.
Ans: Cool