Today we have released a very helpful guide to explain your to use TinyWeb DB with Google Spreadsheet. I have written Js on Google Apps Script to create a server for TinyWeb DB component to store/get data to/from Google Spreadsheet. And So you can also create your own server for FREE + It’s super easy to setup and use.
Just follow this guide
One more thing here, it is compatible with any appInventor distribution, not only with Niotron. You are free to use it in any other platform.