If you have the translation patch, there should be instructions that come with the patch that explains that. As for playing with a friend, you simply hit the network option in the main menu of the game, and if you have it patched to English, the rest is relatively self explanatory.
I always make an effort to check my PM's once a day, so if you need anything, shoot me a PM.
PC: Ryzen 5 1600 @ 3.8GHz, GeForce GTX 1080 Ti 11GB, 8GB RAM
Console: NTSC-U PS2 SCPH-39001, Maxtor 320GB IDE HDD