You are downloading the EasyCallBack XAP file v18.104.22.168 for Windows Phone. EasyCallBack is a free and useful Social app: Save on your mobile phone costs easily. EasyCallBack lets you make calls to abroad by calling you back first and then connecting you to your ... You can now download the offline XAP file to install & try it.
Download Locations for EasyCallBack 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline EasyCallBack XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.