The top 20 popular Free Libraries & Demo Apps for Android in Brazil

Check out the top Libraries & Demo Apps which are free to download. 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 Brazil. Last updated on 2025-09-14.

PassportImageDecoder

This library can decode various image formats used in electronic machine readable travel documents (eMRTD) / electronic passports (ePassport). This library is used by NFC TagInfo (only available to …

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50,000+ downloads

Libraries & Demo

Michael Roland
50,000+ downloads
LIBRARIES_DEMO

PassportImageDecoder

This library can decode various image formats used in electronic machine readable travel documents (eMRTD) / electronic…

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 - …

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…

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…

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…

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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…

MicroTraq app. MicroIQ Prox lo

Triteq Lock and Security, LLC

Conveniently manage hundreds of locks with the MicroTraq app. Grant permissions to your MicroIQ Prox locks in a way that not only saves time and energy on manual input, but also makes changing permis…

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Libraries & Demo

Triteq Lock and Security, LLC
10+ downloads
LIBRARIES_DEMO

MicroTraq app. MicroIQ Prox lo

Conveniently manage hundreds of locks with the MicroTraq app. Grant permissions to your MicroIQ Prox locks in a way tha…

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MESOLIA Application Locataire

MESOLIA HABITAT

Afin de vous accompagner au mieux dans votre quotidien et de vous apporter des services complémentaires, MESOLIA vous propose son Application Mobile Locataire. Grâce à cette appli…

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10,000+ downloads

Libraries & Demo

MESOLIA HABITAT
10,000+ downloads
LIBRARIES_DEMO

MESOLIA Application Locataire

Afin de vous accompagner au mieux dans votre quotidien et de vous apporter des services complémentaires, MESOLIA…

Librairie Biblique

Librairie Biblique est l'application officielle offrant un accès centralisé à toutes les ressources spirituelles des Assemblées de Dieu du Burkina Faso : ✔ Contenu comple…

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Libraries & Demo

Isi d'or
10+ downloads
LIBRARIES_DEMO

Librairie Biblique

Librairie Biblique est l'application officielle offrant un accès centralisé à toutes les ressource…

Raisa Begum Malik

manage.ingdigitals

AAM Admi Party Naresl Vidha Sabha Pratyashi -Raisa Begum Malik Recent changes: Initial Release

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Libraries & Demo

manage.ingdigitals
1+ downloads
LIBRARIES_DEMO

Raisa Begum Malik

AAM Admi Party Naresl Vidha Sabha Pratyashi -Raisa Begum Malik Recent changes: Initial Release

BoofCV Computer Vision

Demonstration of several computer vision techniques provided by BoofCV 1) Image Processing (blur, edge, binary, enhancement, 360 photo) 2) Segmentation (superpixels, thresholding, color) 3) Detecti…

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10,000+ downloads

Libraries & Demo

BoofCV
10,000+ downloads
LIBRARIES_DEMO

BoofCV Computer Vision

Demonstration of several computer vision techniques provided by BoofCV 1) Image Processing (blur, edge, binary, enhanc…

EDZ spółka z.o.o

Aplikacja dla kierowcy, zarządzanie zleceniami i zadaniami

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Libraries & Demo

EDZ spółka z.o.o
100+ downloads
LIBRARIES_DEMO

Aplikacja dla kierowcy, zarządzanie zleceniami i zadaniami

InfoBar for Jetpack Compose

This is a library demo, created for Android app developers. Android Jetpack Compose library for displaying on-screen messages. As opposed to the built-in Snackbar from the Compose Material library, …

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Libraries & Demo

Radu Salagean
100+ downloads
LIBRARIES_DEMO

InfoBar for Jetpack Compose

This is a library demo, created for Android app developers. Android Jetpack Compose library for displaying on-screen m…

AlQuran - Read Quran Offline

Al Quran MP3 - Offline Audio is a premium Quran application for Android, designed to provide a seamless and peaceful Quranic experience. This app allows you to read and listen to the Holy Quran offli…

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Libraries & Demo

appsocean8
100+ downloads
LIBRARIES_DEMO

AlQuran - Read Quran Offline

Al Quran MP3 - Offline Audio is a premium Quran application for Android, designed to provide a seamless and peaceful Qu…

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