The connected bulb remote cannot act as a a button controller in SmartThings. There is a method to join the remote to the hub and then pair the remote directly to bulbs in order to control them. This allows you to use the remote to control an individual bulb or group of bulbs but only in the way it was designed for. You can’t use each button to control a different set of bulbs for example.
However, after the announcement of the move away from the Groovy IDE, this will only be a temporary solution and not anything for the long term. But, should you want to try it, the details are located here: