Clone to try a simple Electron app (by COVAIL)
I did it by making it into an electron app, worked kind of meh https://github.com/COVAIL/electron-quick-start
Collection of bash scripts that install R package system dependencies
My experience was that it was unreliable. Bit sluggish, and sometimes the app would not start and I would have to restart computer and hope it would work. But I thought I would mention it as an option since it fit your description. Is there a reason why you cannot deploy it to https://www.shinyapps.io/ ?
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Create Standalone Installable Shiny Apps
Have you looked into electricShine?
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