I’d use diagonal scrolling but it is too easy to accidentally scroll diagonally. To scroll right or left when it is enabled, your swipe had to be very close to exactly level. If the angle is off at all it scrolls diagonally. I do not understand why you would implement it with such a strong bias for diagonal. I would think an even division of the compass would be the way to go… + or – 22.5 degrees from straight right should scroll right. + or – 22.5 degrees from the straight 45 degree diagonal should scroll diagonal. Or is there something phone-specific affecting the angle detection?