You are downloading the MRLevel3 XAP file v188.8.131.52 for Windows Phone. MRLevel3 is a free and useful News & Weather app: MRLevel3 is a single-site viewer for real-time NEXRAD and TDWR Level III radar data. It supports high resolution base products, derived products, ... You can now download the offline XAP file to install & try it.
Download Locations for MRLevel3 184.108.40.206 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP 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 MRLevel3 XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.