You are downloading the Gymo PDF Editor AppX file v126.96.36.199 for Windows Phone. Gymo PDF Editor is a free and useful Productivity app: Gymo PDF Editor allows you to quickly view Adobe PDF documents. ... You can now download the offline AppX file to install & try it.
Download Locations for Gymo PDF Editor 188.8.131.52 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Gymo PDF Editor AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.