It works because every time I launch the browser it does so in a Disposable VM. When you close the browser, the VM is deleted. Launch a new browser, and it creates a fresh VM.
I actually find OSMAnd is great for busses because you can quickly see all the bus routes as lines and figure out which you need to take.
Ifinsd most cities just make a PDF that doesn't have as much detail and you can't pinch-zoom and pan around quickly. And their guides specify neighbourhoods or destinations whose names you're not familiar with
Link please? I've been looking but never found something like this.