You are downloading the Easter Tamago XAP file v220.127.116.11 for Windows Phone. Easter Tamago is a free Family Game: Let’s open Tamago Easter-Egg together! You need to break an easter egg to get the thing inside. Knock, get exp for knocking and become stronger to ... You can now download the offline XAP package file to install & try it.
Download Locations for Easter Tamago 18.104.22.168 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Easter Tamago XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.