A free program for Android, by Dudedaya Works.
This handy reference application provides quick access to the most important design information for building constructions.
You can find detailed explanations and step-by-step instructions on how to create various structures. The app is very intuitive and easy to use. It includes detailed illustrations and diagrams to help you better understand the technical aspects of the construction process.
You can use the app to view design drawings from a variety of sources. It supports most drawing software, including AutoCAD, Adobe Illustrator, and Microsoft Visio.
This handy app also includes the latest information on design and construction regulations and standards. It includes a search function that makes it easy to find the information you need.