Do you download ISOs directly on your phone? If not, lots of clients have web interfaces that make it trivial to manage from any device with a browser.
The recommendation to use a reputable email provider host is much better, but if you want to go it yourself the Google Cloud free tier includes an instance with a public IP address. Snapshots are not included in the free tier or any other backup, so use at your own risk - this besides the complexity of email security.
Not at all nitpicky. "it’s faster and more secure’. Well, how? There’s no details provided to support the claims. My banana is both more secure, faster and juicier than yours. Don’t I need evidence to support that statement? Or is that enough for you to accept it?
There’s nothing in the post that directly compares Websurfx to SearX, it’s a valid question. "Security, speed, high levels of customization’ aren’t really a comparison without specifics