At the moment it's possible to open Collector for ArcGIS using URLs like this:
arcgis-collector://?itemID=35b1ccecf226485ea7d593f100996b49
that specifies what map to open or
arcgis-collector://?itemID=35b1ccecf226485ea7d593f100996b49¢er=34.0547155,-117.1961714
that also includes a coordinate to zoom to in the map. I'd like to see more options e.g. opening a specific feature for editing
arcgis-collector://?itemID=35b1ccecf226485ea7d593f100996b49&layer=assets&objectid=3456
It should have the same options as using URL parameters with WebApp Builder!
Use URL parameters—Web AppBuilder for ArcGIS | ArcGIS
This would be useful for creating QR codes on assets to launch collector for that feature, sending urls in emails and texts etc. etc.