My revenue on Android has gone way up. One of my lil $1 apps used to only make $150 give or take...This month its made more than $700. As always, its going to be given to a cancer patient in need.+Alen Teplitsky
They work across all devices because there really isn't much difference between the iphone and ipads. just screen size. The same for Android. Same apps work on all the others. If the dev is good enough, you can use the same installer for all screen sizes and still give them unique looks.
On android you don't have to create a dummy gmail account. You create the account to associate it with Google Checkout so you can get paid for your ads and paid apps.