Como digitalizar documentos em um smartphone LG

LG Stylus 2 LG Stylus 2
LG K8 LG K8
LG X screen LG X screen
LG X cam LG X cam
LG G5 LG G5
LG G5 SE LG G5 SE
LG K3 LG K3
LG K5 LG K5
LG Stylo 2 LG Stylo 2
LG Stylus 2 Plus LG Stylus 2 Plus
LG X style LG X style
LG X power LG X power
LG G Pad X 8.0 LG G Pad X 8.0
LG G Pad III 8.0 FHD LG G Pad III 8.0 FHD
LG X mach LG X mach
LG X max LG X max
LG X5 LG X5
LG X Skin LG X Skin
LG V20 LG V20
LG U LG U