You are downloading the FlappyKo AppX file v126.96.36.199 for Windows Phone. FlappyKo is a free and fun Racing & Flying game: FlappyKo is a game where your cow jumps through two rows of vaulting boxes, one hanging down from above and one on the floor, while collecting money. ... You can now download the offline AppX file to install & try it.
Download Locations for FlappyKo 188.8.131.52 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline FlappyKo AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.