In Donkey Kong Country: Tropical Freeze's normal mode, DK can be seen playing a 3DS in an idle animation. In Funky Mode, which is exclusive to the Nintendo Switch port, he plays

Donkey Kong Country Returns 3D - Super Mario Wiki, the Mario encyclopedia

Donkey Kong Country Tropical Freeze — Visually Impaired Review

Donkey Kong Country: Tropical Freeze - Super Mario Wiki, the Mario encyclopedia

Donkey Kong Country: Tropical Freeze Beginner's FAQ - What Does Funky Kong Do, How To Roll Jump, Puzzle Pieces And Kong Letters Explained

Donkey Kong Country Tropical Freeze — Visually Impaired Review

Donkey Kong Country Tropical Freeze — Visually Impaired Review

Donkey Kong Country Tropical Freeze - Nintendo Wii U : Nintendo of America: Video Games

Donkey Kong Country Tropical Freeze — Visually Impaired Review

If you remain idle long enough in Donkey Kong: Tropical Freeze, he takes out a DS and starts playing! I love Nintendo's small attention to detail like this : r/wiiu