The problem is that apparently the thread which was the tutorial has been removed... 
But I think you only have to do the following :

But I think you only have to do the following :
- Open the ppsspp.ini file
- At the "proAdhocServer" line, type the IP address of the person who is hosting the server
- At the "MacAddress" line, you have to make sure that each player have a different address from the others
♦ Intel Core i7-6700HQ | 16 GB RAM | NVIDIA GeForce GTX 960M | Debian Testing
♦ Intel Core i7-2630QM | 4 GB RAM | NVIDIA GeForce GT 540M | Debian Testing
♦ PSP-3004 | 6.60 PRO-C2
♦ Intel Core i7-2630QM | 4 GB RAM | NVIDIA GeForce GT 540M | Debian Testing
♦ PSP-3004 | 6.60 PRO-C2


