To create amultios id simply fill the sign up information required on this link , Remember your nickname and pin when register because its will be used on networking settings in Emulator to login into our service.
Install or extract Amultios Beta Emulator, if you cannot install it on android uninstall PPSSPP first cause we have not yet focused on android packaging it still use PPSSPP package name.
Optional , Move your save data into amultios directory memstick\PSP\SAVEDATA if you have from real PSP or PPSSPP , on android its located internal:amultios\PSP\SAVEDATA , if you move save data from PPSSPP dont override the system and asset folder cause we have some specific assets and settings that overrided by PPSSPP settings.
Open the emulator , Set your pin and nickname on the networking settings with Amultios Beta ID information you do on step 1
Play your adhoc games on Amultios Emulator , make sure your login is succesfull on emulator initial start