Changes

|rowspan="1113"|[https://launchpad.net/~samoilov-lex/+archive/ubuntu/retrogames ppa:samoilov-lex/retrogames]<ref group=N name=warning_retrogames>This PPA contains unofficial builds of RetroArch, Dolphin, PPSSPP, PCSX2, FS-UAE and more, thus may cause conflict with other PPAs. After installing a desired emulator from this PPA, it is recommended to remove this PPA from the system's repository list by executing "sudo add-apt-repository --remove ppa:samoilov-lex/retrogames" in the command line.</ref>