To choose the right service, you need to use reviews and recommendations, this is true

It's hard to tell right away, you need to study the issue in more detail

In principle, you can use this option

I don't think this is the best solution in this situation, there are alternatives

By itself, the development is not so difficult, the other question will be appropriate. If you choose a topic for a similar project, it is better to make an extension for the browser in the example of vpn free extension. After all, it is much easier and cheaper in quality of course product.