I'd really like this as an option too. Searx doesn't seem to work well under Cloudron. I'm not sure if the IP address is getting block or something's gone awry, but it's not showing Google, Bing etc results within searches.
Sometimes you just want Google results, without the adds and tracking, and Whoogle is that. It's also less of a leap of the imagination to get users that "just want Google" to try.
Not having these sorts of options too, is starting to get a bit awkward too. The idea of Cloudron, as I understand it, was always to offer more options than the closed-sources world - but when the Cloudron App store still has a high barrier to entry, and we need something like this, then I really don't look at Cloudron App packaging, I look at how we can just get an option running with vanilla Docker or VPS.