>Most of the modern browsers have a local DB now.

??
Which browsers ?

>> This is a common scenario using jQuery Mobile and syncing up occasionally with the backend data, be it MS SQL, MySQL or VFP.
>>>> It really depends on if you will be connected to the internet when using the app or disconnected. FYI, "native" Android apps are Java.
>>
>>It needs to be a tablet held app with local data, there will be some interaction with the web, but it can't be a web hosted app.
>>
>>Gary.