Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 1Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 2Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 3Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 4Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 5Fly app lets you shoot and edit video on the fly, with up to four cameras at once - photo 6