@Evergreen I think there are some spectacular cameras attached to phones nowadays - but even if you, like me, have "just" a decent but not necessarily great phone, you can take and edit photos that are worth looking at. :)
Any tips on how to take them and edit them
The question I have is, what are you trying to achieve? Do you want realistic-looking images similar to the landscape one you gave as an example? Are you looking for more artistic (and less realistic) processing options? Both or something else? Are you looking for "one-tap" options to automatically fix images for you, or do you want to manually control every step of the process?
I'm mostly using the Snapseed app for editing, and I think it can achieve all of the above. I'd be happy to provide example "workflows" if you're interested.