Tripleplay is'nt flexible at all, I bougth Axoloti to make better interface guitar->hard synth than Midiox on PC. But...
I just set "has midi selector", and "port 1" on the object in the main patch, et voilà!
Then I maked as said in this topic:
math/+1 is for not use channel 1, so I can use my hardware synth (Futuresonus Parva) in mpe.
Soon I'll use it to make a sort of mpe midi looper!
Next level will be when I'll can to split specific strings.