Aspose.Words for Android is an advanced class library that enables you to perform a great range of document processing tasks directly within your Android applications. Aspose.Words for Android supports processing native Microsoft Word formats such as DOC, DOCX, OOXML, RTF, other formats such as HTML, OpenDocument, PDF, EPUB, XPS, SWF and all image formats. With Aspose.Words for Android, you can also easily generate, modify, convert and render Microsoft Word processing documents.

Alvas.Audio is C# audio library for .Net developers.

Main features:
Records audio
Plays audio
Set up mixer controls
Edits audio
Converts audio

JSON (jаvascript Object Notation) is a light-weight, text-based language for data interchange. JSON is often used for serializing and transmitting structured data over a network connection and therefore is commonly used in AJAX, Web 2.0, and Web services applications.