Complete Newbie - just need a kick start with advice

Hi to the Forum - I'll try to be brief and hope someone can answer a few queries to save me some time.
I want to develop a web based system, SQL backend, browser front end and also have a mobile APP that will run on all smartphones. I am competent in development and design with VB, HTML, PHP and a little JS; fine with SQL etc. Have downloaded the latest LightSwitch
and run thru a basic tutorial.
Queries;
I am assuming the APP with have to be a HTML5 web based APP - Once I have created - will it be something that can be published thru the APP stores (iStore, Google Play etc)? Can anyone point me to a tutorial on how to do this?
Would any connectivity from APP to SQL server/back end be included a part of the dev of the APP - or are web services needed to be developed at the back end?
Same with my back end Application - are there any tutorials showing how to 'move' to a host and get the thing 'live'
I'm sure I'll have lots more and will try to find answers before coming here - but answers to these will get me going with some confidence.
Phil

Lightswitch HTML apps run just fine on mobile devices since the front end is all JavaScript.  If you need an Internet-facing application, and you don't have a dedicated server to host it on, there are companies who do resell Lightswitch-compatible Windows
hosting, or you can host both your database and the app in Microsoft Azure.  If you want a true "app" that's store-ready, you may wish to go the Visual Studio Cordova route instead, but you'll still have to have a place to host your service/data
backend.
Regards,
R.T. Watkins

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