You are downloading the echoecho XAP file v220.127.116.11 for Windows Phone. echoecho is a free and useful Social app: Finally the long awaited updated with avatars for your friends, a completely redesigned interface - optional LIVE tracking and many other features. A ... You can now download the offline XAP file to install & try it.
Download Locations for echoecho 18.104.22.168 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 echoecho XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.