You are downloading the CatchIT Spaces AppXBundle file v2017.129.2041.5381 for Windows Phone. CatchIT Spaces is a free and useful Productivity app: What: Highly customizable * Multi-module * Multi-user * Video player Multi-subtitles (UTF-8 .SRT type) FULLY customizable * Auto-scrolling Text UTF-8 ... You can now download the offline AppXBundle file to install & try it.
Download Locations for CatchIT Spaces 2017.129.2041.5381 AppXBundle file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppXBundle 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 CatchIT Spaces AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.