There's a game called Pazuru, and it allows sharing levels through QR codes, could this be the new Cubic Ninja?
https://www.nintendo.com/games/detail/oOc7VFPqZUSe0v8vU-jqx4Uxm7MWWyby
https://www.nintendo.com/games/detail/oOc7VFPqZUSe0v8vU-jqx4Uxm7MWWyby