Earlier quoted context omitted.
With the Advent of the omnibar, they are necessarily search engines
An argument there could be that the user still gets to choose which search engine the omnibar gets sent to. I don't agree with Googles decision (I strongly disagree with it). Just stating that under the letter of the law (of the app stores policies) I can see why app stores feel they have the power to govern the search results in such apps (iirc web browsers have a exception to the clause - /me goes to double check G…
Nothing in the metadata. Pure evil.