You are downloading the Lumia Kothon APPX file v188.8.131.52 for Windows Phone. Lumia Kothon is a free and useful Social app: Official App of Lumia Kothon Facebook page. It's all about windows phone. By the using of this app, you will get any information about Windows ... You can now download the offline APPX file to install & try it.
Download Locations for Lumia Kothon 184.108.40.206 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 Lumia Kothon APPX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.