De0 Nano SoC Connect to Bluetooth Dongle

Hello everyone,

Im a new in SoC, Im bulding project Spider of Terasic on De0-Nano-SoC. http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=&no=994

I have already downloaded source code on it, but while impelment it, I can't using Bluetooth dongle through OTG to connect bluetooth with android.

My phone have bluetooth signal but i can't pair it.

sorry about my English, its not good.

who made this project, please help me!