Volume Control Panel Pro - Volume Control Panel Pro is an efficient mobile app that enables its users to control the volume of the system conveniently.
PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
Lux Manager - Lux Manager is an elegant mobile app that enables you to control the lighting effects of your mobile device.
DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
Virtual Volume - Virtual Volume is a fantastic mobile app that provides volume control on mobile screens.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request