Generate a 5-star review (1 being lowest and 5 being highest) about an app with package org.geometerplus.zlibrary.ui.android.
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Answer: Best free reader Completely reliable unlike my last reader. Use it every day without any problems. Great for reading epub files.

Generate a 5-star review (1 being lowest and 5 being highest) about an app with package com.simplemobiletools.gallery.
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Answer: Can it be? I've been using quickpic for years! Nothing has ever made me change. This app just might actually make that happen. We'll see where development goes with it. Only feature I'd like to see is able to move photos/videos within. Nexus 6p Android 7.1.1.

Generate a 3-star review (1 being lowest and 5 being highest) about an app with package com.eleybourn.bookcatalogue.
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Answer:
OK but not the best Try for comparison Dion Hardy's Book Library. More preferences for scanning cataloguing sorting filtering importing and exporting db sources display connectivity to other devices backups and restore multiple actions and customization.