with the ability to send Midi Out messages from Push Hacker, you have a lot more possibilities, like selecting individual effects or instruments with one button or a dial.
For this you need to set up an virtual Midi Port in Ableton Live.
Here you can learn some Midi Notes or CC Messages to be output when you turn the dial.
to select a Device via Midi messages you have to map the Midi message to the Device first. Please read here how to set up an Virtual Midi Port.