1) An uplifting mushroom 2) Mobile technology 3) Payment system
Found on
https://www.crosswordclues.com/clue/levelup
LevelUp is an American mobile payments platform created by Cambridge, Massachusetts-based start-up SCVNGR. The LevelUp mobile application uses QR code technology to allow for mobile transactions to be made at local businesses via iPhone and Android phone. ==History== LevelUp was initially launched in March 2011 and operated for its first 3 months ...
Found on
http://en.wikipedia.org/wiki/LevelUp
No exact match found.
