Also known as Wall Pennywort.
that identifier app sounds really useful
. It is not an app as such it is a photo editor, it is one of the things already installed on the phone. (Huawei). I accidently found that it identifies things in my photos. Usually I take lots of photos of my right knee or the open sky for some reason.
There is another setting which when you point the camera at something say a flowerpot or a scone it tells you what they are and where they can be bought close to where you are.
My son is certain that there is someone in China who is actually interested in all this so that they can use all this info for marketing. I will deliberately take loads of photos of pot noodles, that should teach them a lesson.