Thats pretty neat! I don't really carry my 3ds everywhere cause a) Nintendo's account system Sucks b) I don't like carrying multiple things, so if my phone can sync with my 3ds somehow with like streetpass and etc, it will be awesome!
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850