How to scan documents on a smartphone HTC

HTC Nexus 9 HTC Nexus 9
HTC U19e HTC U19e
HTC Desire 825 HTC Desire 825
HTC Butterfly S HTC Butterfly S
HTC J Butterfly HTC J Butterfly
HTC One (M8) HTC One (M8)
HTC Desire 310 HTC Desire 310
HTC Desire 650 HTC Desire 650
HTC Desire 610 HTC Desire 610
HTC One A9s HTC One A9s
HTC One M9 Prime Camera HTC One M9 Prime Camera
HTC Desire 620G dual sim HTC Desire 620G dual sim
HTC Desire 19s HTC Desire 19s
HTC X2 HTC X2
HTC Desire 630 HTC Desire 630
HTC Wildfire E1 Plus HTC Wildfire E1 Plus
HTC Desire 612 HTC Desire 612
HTC Desire 550 HTC Desire 550
HTC Desire 820 HTC Desire 820
HTC Desire 728 Ultra Edition HTC Desire 728 Ultra Edition