Android Apps to Low memory usage

VLC Media Player is a free and open-source cross-platform multimedia player that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Known for its robust format support and stability, VLC is a favorite for playing virtually any media file without the need for external codecs.

Document Viewer is a highly customizable and lightweight document viewer designed for Android devices. It supports a wide range of formats including PDF, DjVu, XPS, CBZ, CBR, and ePub, offering features like highlighting, annotation, and optimal performance.

Mongoose is a highly portable embedded web server library designed for IoT, embedded devices, and resource-constrained environments. It provides a robust and flexible framework for building web interfaces and network services directly into applications, supporting protocols like HTTP, HTTPS, WebSocket, MQTT, and more.

ezPDF Reader is a highly-rated multimedia PDF viewer and annotator for mobile devices. It supports interactive forms, freehand drawing, text highlighting, and offers features like Text-to-Speech and document synchronization, making it a versatile tool for users who work with PDFs on the go.

MuPDF is a lightweight, portable document rendering engine and viewer for PDF, XPS, and EPUB formats. Known for its speed and accurate rendering, it's ideal for integrating document display into various applications or for users seeking a minimalist, high-performance viewer.

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Foxit Reader is a robust and feature-rich PDF reader and editor that provides users with a comprehensive set of tools for viewing, annotating, signing, and creating PDF documents. Known for its blend of performance and functionality, it caters to both casual users and professionals handling complex PDF workflows.