The top 20 popular Libraries & Demo Apps for Android in the United States

Check out the top Libraries & Demo Apps. We went through all Libraries & Demo Apps for Android on Google Play in September 2025 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in the United States. Last updated on 2025-09-14.

Rhythm Software

*THIS APP WILL NOT LAUNCH BY ITSELF* This is payment module ONLY for applications published by Rhythm Software. Donation record is bound to your Google account. That means if you have multiple dev…

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100,000+ downloads

Libraries & Demo

Rhythm Software
100,000+ downloads
LIBRARIES_DEMO

*THIS APP WILL NOT LAUNCH BY ITSELF* This is payment module ONLY for applications published by Rhythm Software. Dona…

Market Update Helper

This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-install it at any time.

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1,000,000+ downloads

Libraries & Demo

Titanium Track
1,000,000+ downloads
LIBRARIES_DEMO

Market Update Helper

This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-i…

Barcode Scanner

Cognex Corporation

Barcode scanning made simple! Use this powerful app to easily scan over 30 different types of barcodes, including QR, UPC, GS1, Data Matrix, PDF417, DotCode, and many others. The Cognex Barcode Sc…

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1,000,000+ downloads

Libraries & Demo

Cognex Corporation
1,000,000+ downloads
LIBRARIES_DEMO

Barcode Scanner

Barcode scanning made simple! Use this powerful app to easily scan over 30 different types of barcodes, including QR,…

Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, discover new apps, and set up a viewer. To fully enjoy this app you'll need a Car…

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10,000,000+ downloads

Libraries & Demo

Google LLC
10,000,000+ downloads
LIBRARIES_DEMO

Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, dis…

SL Screen Off plugin

Smart Launcher Team

This app works only with Smart Launcher This app uses the Device Administrator permission, in order to use a restricted API that allows to turn off your device screen This plugin will enable Smart L…

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1,000,000+ downloads

Libraries & Demo

Smart Launcher Team
1,000,000+ downloads
LIBRARIES_DEMO

SL Screen Off plugin

This app works only with Smart Launcher This app uses the Device Administrator permission, in order to use a restricted…

Default choice fixer for Smart

Smart Launcher Team

This app helps Smart Launcher to stay as the default launcher on devices that have the bad habit to reset the user choice. Please note, you don't need to install this app if Smart Launcher is alread…

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500,000+ downloads

Libraries & Demo

Smart Launcher Team
500,000+ downloads
LIBRARIES_DEMO

Default choice fixer for Smart

This app helps Smart Launcher to stay as the default launcher on devices that have the bad habit to reset the user choi…

Hebrew for AnySoftKeyboard

AnySoftKeyboard

Hebrew Language Pack for AnySoftKeyboard Includes several Hebrew layouts (including Niqqud), physical keyboard support and a word completion dictionary. This is an expansion language pack for AnySof…

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500,000+ downloads

Libraries & Demo

AnySoftKeyboard
500,000+ downloads
LIBRARIES_DEMO

Hebrew for AnySoftKeyboard

Hebrew Language Pack for AnySoftKeyboard Includes several Hebrew layouts (including Niqqud), physical keyboard support …

IpSensorMan Manages talking to various sporting sensors using ANT+™ or Bluetooth or Bluetooth Low Energy interfaces. Using a separate app allows multiple client apps to access to the sensors…

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100,000+ downloads

Libraries & Demo

Ifor Powell
100,000+ downloads
LIBRARIES_DEMO

IpSensorMan Manages talking to various sporting sensors using ANT+™ or Bluetooth or Bluetooth Low Energy interfa…

Contacts for Locus Map

Asamm Software, s. r. o.

Add-on Contacts for Locus Map application enables searching and displaying addresses of contacts stored in your mobile device on a map. The add-on does not have its own screens or widgets, just adds …

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100,000+ downloads

Libraries & Demo

Asamm Software, s. r. o.
100,000+ downloads
LIBRARIES_DEMO

Contacts for Locus Map

Add-on Contacts for Locus Map application enables searching and displaying addresses of contacts stored in your mobile …

Libraries for developers

Desarrollo Droide

This application provides a collection of third party libraries, as a developer this application is essential for you. You will have information about the author, captures, license, description, link…

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100,000+ downloads

Libraries & Demo

Desarrollo Droide
100,000+ downloads
LIBRARIES_DEMO

Libraries for developers

This application provides a collection of third party libraries, as a developer this application is essential for you. …

Augm. Reality for Locus Map

Asamm Software, s. r. o.

Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - in augmented reality. Useful during town sightseeing tours, on viewtowers, for g…

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100,000+ downloads

Libraries & Demo

Asamm Software, s. r. o.
100,000+ downloads
LIBRARIES_DEMO

Augm. Reality for Locus Map

Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - …

おサイフケータイ Webプラグイン(連携用) – Click to show

TRUCK ALERT transports animaux

TRUCKalert est la première application permettant de signaler les camions transportant sur les routes des vaches, des cochons, des moutons ou des poules par fortes chaleurs ou canicule. Elle a…

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1,000+ downloads

Libraries & Demo

Coeur du Web
1,000+ downloads
LIBRARIES_DEMO

TRUCK ALERT transports animaux

TRUCKalert est la première application permettant de signaler les camions transportant sur les routes des vaches…

Weather Demo Library

Matteo Battilana

Demo application of WeatherView library Github repo: https://github.com/MatteoBattilana/WeatherView Recent changes: Update to API 32

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Libraries & Demo

Matteo Battilana
500+ downloads
LIBRARIES_DEMO

Weather Demo Library

Demo application of WeatherView library Github repo: https://github.com/MatteoBattilana/WeatherView Recent changes: U…

OpenCV Image Process

Check the results of real-time processing of images from a camera using the OpenCV library. Repository URL: https://github.com/momomomo111/camerax_opencv OpenCV official website: https://opencv.org/…

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10,000+ downloads

Libraries & Demo

Asogaru Lab
10,000+ downloads
LIBRARIES_DEMO

OpenCV Image Process

Check the results of real-time processing of images from a camera using the OpenCV library. Repository URL: https://gi…

VendasExternas-Teste impressão – Click to show

Algorhythms Consultants Pvt Ltd

iOPAC mobile app enables all library users quick and easy access to the library resources- both conventional and digital. Moreover, it offers personalized services like checking current and previous …

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1,000+ downloads

Libraries & Demo

Algorhythms Consultants Pvt Ltd
1,000+ downloads
LIBRARIES_DEMO

iOPAC mobile app enables all library users quick and easy access to the library resources- both conventional and digita…

AI Chat Bot Demo

OpenAI Demo App is a sample app for utilizing the chat_gpt_sdk in Flutter. This app includes examples of the following functionalities: 1.Question and Answer 2.Translate Language 3.Generate image wi…

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Libraries & Demo

redev.rx
100+ downloads
LIBRARIES_DEMO

AI Chat Bot Demo

OpenAI Demo App is a sample app for utilizing the chat_gpt_sdk in Flutter. This app includes examples of the following …

- Le téléphone mobile, porte-identifiant de l'utilisateur Pack ID vous permet de dématérialiser vos badges et cartes dans les smartphones de vos utilisateurs : employ&eac…

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10,000+ downloads

Libraries & Demo

OBS SA
10,000+ downloads
LIBRARIES_DEMO

- Le téléphone mobile, porte-identifiant de l'utilisateur Pack ID vous permet de dématéria…

Welcome to Veridas Demo Center! Download this app and experience first-hand the latest AI-based solutions for digital identity verification that millions of users are enjoying worldwide. Choose bet…

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1,000+ downloads

Libraries & Demo

Veridas
1,000+ downloads
LIBRARIES_DEMO

Welcome to Veridas Demo Center! Download this app and experience first-hand the latest AI-based solutions for digital i…