I think you can do that with Termux on Android.
I always assumed it was shorthand for an html close tag like , so I'm going with "/s".
Until markdown gets a sarcasm thing at least.
I would say "cursive is how adults write, you'll need to know it", but that wasn't true then either.
Heretic and Hexen! Not as remembered as Doom but still great.
Duckduckgo has an email redirect thing where you can make temporary addresses that forward to your normal one.
Its basically a perfect game. It never feels dated and has one of the most horribly catchy songs ever created by man. Its weird that it's so fun, its like as simple as you can really boil down a game, its literally just arranging blocks into lines. But it just clicks with the human brain on some deep level.
Joplin for notes, and Rclone drastically improves any cloud services.
Morrowind and Oblivion both have a massive fan following but I think always get unfairly overlooked for Skyrim.
I don't know if this helps, but if you use DuckDuckGo as a default search engine in your browser, its easy to look things up on Wiktionary using !wt. And yeah, Wiktionary is awesome and very underappreciated.
Synfig might be what you're looking for.
That was my only issue with the otherwise excellent Shovel Knight! It had very long levels and only saved once you beat them.
Its basically a Linux terminal for your phone that can run rsync, so it should work both ways.