Xappr and appBlaster are fine weaponizers for your smartphone, provided you don't care to share your violent tendencies with your friends. Thankfully, Hasbro is bridging the gap between new-school AR shooter and that teenage classic -- laser tag. The NERF Lazer Tag system is getting an update for 2012 that lets you pair your blaster with an iPhone or iPod touch. The top of the plastic guns now sport a slot for your i