PPTX Viewer App — Google Play The best online presentation viewer for your Android devices. No matter which device you carry PPTX online, it provides you complete PPTX viewer apps and support the file formats. The app gives a full screen experience with full screen slide shows and a slide page. Moreover, the app can be used offline, and it supports viewing and working of PPTX files on Android. The app also supports viewing of Open XML, XLS, and PPTX files. Free online presentation viewer app supports all file formats, such as PS, ODP, ODS, OMP PPTX Viewer: PPT Viewer — YouTube PPTX Viewer is a free and simple-to-use online presentation viewer or reader. You get to open your presentation from any...