There are also references to a “dining” filter that would search nearby restaurants, including popular dishes. A “shopping” filter appears to focus on more generic goods. Combined with the translation feature, it appears as if Google wants to offer a range of specialized searches instead of a one-size-fits-all function.
It’s not certain when the upgraded Lens might arrive, assuming it does at all. With I/O starting on May 7th, though, it wouldn’t be surprising if Google revealed or even releaseed the feature as its developer conference got underway.