I think that BASIC has historically been my most productive language. My favourite implementation was something called "Z-Basic", a compiled BASIC with device-independent graphics that could run on and target Apple//, Mac, and PC.
One is a food score browser. It connects to an offline database supplied with the apk and shows search results in a scrollable list as well as details on select. You can search in english and german the same time.
VM should work. For B4i (ios) you need also a mac for compile afaik.
The output runs on win, linux, server, mac, ios, android or arduino. Depending on what you used b4a, b4i, b4j or b4r. The syntax is the same eveywhere.
The crossplatform libary b4x pages makes sure that the same program look and feel can be compiled to various platforms without to much hassle.