The following file types are supported in AppGlu apps.

Documents: .doc, .xls, .pdf
Images: .png, .jpg, .tiff, .gif (including animated .gif)
Video: .m4v, .mp4, .mov, .swf (after conversion from .swf to .mov via online converter)
Presentations: .pdf, .ppt (after conversion from PPT to HTML5 via iSpring converter)