Play services exists to give Google a way to deliver updates that isn't subject to carrier or oem interference. If it was open sourced, that would defeat the p

Play services exists to give Google a way to deliver updates that isn't subject to carrier or oem interference. If it was open sourced, that would defeat the purpose. To put it another way, giving the general public access to the source wouldn't make any difference to Google, but giving Samsung that access would make a big difference.