An easy way to set a layout for mobile apps, easier than Flutter, React Native or NativeScript, for instance, is to use Apache Cordova or PhoneGap. This is probably due to CSS/SCSS/HTML (rather than partial CSS support in NativeScript).

Why Vue? Because Vue's Vuetify's Material design looks just like Android! While being easier to set the layout than NativeScript Vue.

An example app I have used all the above-mentioned in the header is https://github.com/patarapolw/nltkpass-app

*.apkg and *.anki2 file structure is very simple, but with some quirks of incompleteness.

*.apkg file structure is a zip of at least two files.

Apparently, it is possible to make Kotlin have a very simple dynamic typing, like JavaScript, with a JSON library -- Kotson, with some tweaks.

I have tried to install Linux (Elementary OS) on both macOS and Windows; and number one impediment? -- the lack of WiFi.

Of course, there is an official troubleshooting here -- https://help.ubuntu.com/stable/ubuntu-help/net-wireless-troubleshooting.html.en

So, I googled for solution, and found this https://forums.virtualbox.org/viewtopic.php?f=3&t=59456

Another problem is that there is no x64 enabled in VirtualBox, despite running Windows x64 https://superuser.com/questions/866962/why-does-virtualbox-only-have-32-bit-option-no-64-bit-option-on-windows-7