You are downloading the Origami Paper 3D XAP file v22.214.171.124 for Windows Phone. Origami Paper 3D is a free Education App: "OK, so everyone can fold paper in half. What’s so exciting about that?" you may say. But you’ll soon think differently when you learn ... You can now download the offline XAP package file to install & try it.
Download Locations for Origami Paper 3D 126.96.36.199 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Origami Paper 3D XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.