If the application does not work, please download it here:
http://funair.cz/domains/funair.cz/forum/viewtopic.php?f=14&t=6214

This application replaces position (GPS) data in your Android device by data from Microsoft Flight Simulator X. After launching FSX2Android you can use any GPS based application. You do not see your real position, but position from FSX.

IMPORTANT!!!
Before purchasing this application download FSX server first and try to connect it to your FSX.

Link:
www.funair.cz/downloads/fs/FSX2Android.zip

ZIP file also contain the installation user guide.

After installation at you Android device you have to:
1. Open developer settings
2. Enable mock positions

After usíng the application, your device need restart to use internal GPS again...