Mobile
Mobile, agile, nimble, vital, sprightly, lively, bouncy, perky, zestful, busy, occupied, on the go, full of get-up-and-go, full of beans, zippy, bright-eyed and bushy-tailed, energetic, sporty, vigorous, dynamic, spry, animated, bubbly, frisky, spirited, bustling, involved, on the move, full of vim and vigour, sparky, peppy, and go-go.