In 2006, a NASA spacecraft returned to Earth with samples that scientists hoped might contain cosmic dust, a byproduct of star formation. They let the public look for the elusive particles online. A squinting citizen might have just found one.
Hudson’s Shot Watch app—inspired by the real version—followed 80s videogame microcelebrity Takahashi Meijin, who could hammer a button 16 times a second. Are you that fast? Find out for 99 US cents. [iTunes via Kotaku]