Original sentence: The 3.5 in liquid crystal display (320×480 px at 160 ppi) HVGA touch screen topped with glass is specifically created for use with a finger, or multiple fingers for multi-touch sensing
Edited sentence: The 3.5 in liquid crystal display (320×480 px at 160 ppi) HVGA touch screen topped with optical-quality glass is specifically created for use with a finger, or multiple fingers for multi-touch sensing