Wrapped VST-plugins does not have note columns. In order to play notes on a VST-plugin, create plugin capable of sending MIDI notes, such as a Note Generator or MidiTracker and connect it to the VST using a MIDI-connection.
Copy new plugin DLLs to Gear/VST. Optionally change the VST Path in Preferences to point at one or more directories containing VST plugins. New plugins will be detected on program startup.