You are downloading the Network+ XAP file v18.104.22.168 for Windows Phone. Network+ is a free and useful Productivity app: Network+ gives you additional call waiting and call forwarding settings. If you have a dual SIM phone, you can also use Smart Dual SIM to ... You can now download the offline XAP file to install & try it.
Download Locations for Network+ 22.214.171.124 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 Network+ XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.