You are downloading the Write Japanese XAP file v126.96.36.199 for Windows Phone. Write Japanese is a free and useful Education app: Learn how to write japanese the quick and easy way! This app will teach you how to correctly draw each stroke, in the intended order and direction. ... You can now download the offline XAP file to install & try it.
Download Locations for Write Japanese 188.8.131.52 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 Write Japanese XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.