This is a great document viewer. With its help, you can view your files on your phone (or table) no matter where you are, at home or traveling abroad. It supports many formats including text file, html file, image, video and even audio. The image formats supported by the app include png, jpeg, bmp, gif, webp. The video formats supported by the app include 3GPP (.3gp), MPEG-4 (.mp4). The audio formats supported by the app include MIDI (.mid), MP3 (.mp3). The app also provides features for you to have a peek at the raw data of data files in ASCII (text) or binary format.The app supports UTF (Unicode), that means you can use it to view files in Asian language (For instance, Chinese, Korean, Japanese, Thai, Vietnamese, etc.), East European language (for instance, Russian, Polish, Georgian, Slovak, etc.), Arbic, or any other language without problem.Documents can be added to the app's external storage folder called 'afanche'. Just connect your phone (or tablet) with a PC and copy your 3D models to the 'afanche' folder of the device. After that, you can use the app to load the files you saved in the directory. If you have files in system 'download' folder or any other folder of your device, you can use the app to find and open them as well. You can also use the app to open files from email(attachment) or web (by downloading). The app also supports third party file management app, for instance, DropBox.The app is not just a data file viewer. It is also a file organizer. You can put project files in different sub folder so that you can easily find them. The app provides you file sorting features so that you can find your model quickly. You can sort by file name or file creation time. If you don't need some of the files any more, you can use the app to delete them. If you need share any file with your friend, coworker, client or partner, you can use in-app email feature to send the file out as email attachment.With help of the app, you phone / tablet can function like a flash drive. You can use the app to browse folders of the device and open files you are interested no matter where is document is located.If you need Android, iPhone, iPad, Windows app for other file formats, please search 'Afanche' to find more data file visualization apps.