of course I can understand, that this would be a nice feature - but on the other hand side I does not feel responsible for fixing all problems/glitches of the default apps - When the Media Player (with which I haven't spend much time yet) is not capable to create sense full playlist, then actually IMHO it's time to write a new MediaPlayer - an AudioBook Player is anyhow on my todo list... so might be, that then we also get a convenient "playlist maker"... but that's no promise!