Kirby's ESP ability is a reference to Ness, a psychic kid from the game Earthbound.
The last game of the canonical franchise to be rated E (Everyone) by the ESRB. Starting with Kirby Star Allies (2018) and games after that, the rest of the franchise will canonically be rated E10+ by the ESRB.
The eleventh game of the Kirby canon.
The last game of the Kirby series released on the Nintendo 3Ds to be played in 3D mode.
The sixth Kirby game to release in June after Kirby Super Star (1996), Kirby 64: The Crystal Shards (2000), Kirby Air Ride (2003), Kirby and the Amazing Mirror (2004), and Kirby Super Star Ultra (2008).