The "relative evaluation report" on the Galaxy S1 and iPhone, published in March 2010, goes through Apple's iPhone features one by one, pointing out the differences lacking in Samsung products and "direction for improvement" steps Samsung must take to offer the functionality of the wildly popular device.
This graphic highlighting the iPhone's landscape controls is captioned: Directions for improvement: Landscape mode should be supported whether rotated horizontally to the right or left.
Click on for a look at more of Samsung's analysis of its own products, and how they compared to Apple's iPhone, and more directions for improvement.