the app is top .... it matches my expectations. nickel connection between my Ubuntu and my galaxy s3 the only downside ... not to backup the apk ... or is it ??? well it's true I buy with amazon corners !! drm ?? So I'll buy it "for real"! because in the end with my little "amazon corners" I just buy a right to use the apk ... it is the virtual blah .... c is not all that nice Mr Amazon !!