I've never been to the US, so I can't say I won't go there again, but I can say I won't go there at all.
But in terms of countries I have been to, probably New Zealand. There's nothing wrong with New Zealand, but it feels too much like Australia, and baring me suddenly developing an unlimited amount of time and money, there are other places I would rather go
On the chance that you're engaging honestly, rather than just trolling...
WhatsApp, Roblox and Signal all run fine in Linux.
This is the ProtonDB page for Roblox. https://www.protondb.com/app/2181790. ProtonDB is a database that assesses how well windows games run under linux, and in this case, Roblox is Gold rated.
There are numerous WhatsApp apps and wrappers that run under linux, and Signal has an official Linux version found here https://signal.org/download/linux/