ppsspp is great emulator and of course all credit goes to Henrik .
in version 1.1 b890( and up )a port offest feature
added to ppsspp networking section making many games work in ad hoc (like yu gi oh tag force (1,2,3,4,5,and 6!!!) but losing ability to make connection with the real psp
okey let's go to networking play
the requirements is :
1-ppsspp v 1.1 beta890 and up required
2-wifi hotspot feature or router device
3- that's all you need
---wifi hot spot method (recommended)
1-- turn on hotspot tethering in settings
2-conect the another device to your hotspot network
3-run ppsspp in networking tab change ip (ex 192.168.43.1 both devices must be the same) and don't. forget. to enable networking
4--enable pro ad hoc server (some games have little bugs with this)
5-change port offest to more than 1024
I found 2700 is okay for many games (naruto shipuden impact seem work best on port 8500)
and start the game you like and play with your friends
I hope this theard useful for someone
in version 1.1 b890( and up )a port offest feature
added to ppsspp networking section making many games work in ad hoc (like yu gi oh tag force (1,2,3,4,5,and 6!!!) but losing ability to make connection with the real psp
okey let's go to networking play
the requirements is :
1-ppsspp v 1.1 beta890 and up required
2-wifi hotspot feature or router device
3- that's all you need

---wifi hot spot method (recommended)
1-- turn on hotspot tethering in settings
2-conect the another device to your hotspot network
3-run ppsspp in networking tab change ip (ex 192.168.43.1 both devices must be the same) and don't. forget. to enable networking
4--enable pro ad hoc server (some games have little bugs with this)
5-change port offest to more than 1024
I found 2700 is okay for many games (naruto shipuden impact seem work best on port 8500)
and start the game you like and play with your friends
I hope this theard useful for someone