I compressed it further in my android release. Its about 1.4GB insetad of the 2.5 GB of the regular version. But in my opinion it's not a good trade off on a normal sized PC monitor.I didn't look it up, but I remember a statement by a compressor in this thread that he could compress, but only by going to a really low resolution. He himself questioned whether that was worth doing.
Regular compression:
Android compression: