Asus TX201LA - Manual (Page 45)

ASUS Transformer Book Trio E-Manual 
Tap/Double tap
• In the Start screen, tap an app to launch it.
• In Desktop mode, double-tap an application to launch it.
Drag and drop
Double-tap an item, then slide the same finger without lifting it off the
touchpad. To drop the item to its new location, lift your finger from the
touchpad.
One-finger touchpad gestures for Windows® 8