Okay, so online Flash games using pixel art are a bit old-hat. But we’ve still been enjoying Fall Out Boy Trail, which has been launched on the Friends Or Enemies website. It’s an authentic-feeling 8-bit game based around the band’s tour, complete with Guitar Hero-style gigs (if Guitar Hero had been made for the Commodore 64). Inventive and fun stuff – have a go and tell us what you think. Now, can someone make an iPhone version…