You are downloading the SongArc XAP file v220.127.116.11 for Windows Phone. SongArc is a free and fun Educational game: Experience music like never before with SongArc -- a revolutionary game that brings the music on your tablet to life! "Groundbreaking music ... You can now download the offline XAP file to install & try it.
Download Locations for SongArc 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 SongArc XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.