WavesGO and Fountain Perpetua both shared fees (Waves, MRT and alts) the last time I checked.
WavesGO gave me only WAVES and their own WavesGo token..
What else do you want...?
I thought they shared MER, OCL, WNET, PPIO and NodeTX2 fees. Or at least that they did so indirectly through their tokens...