How to scan documents on a smartphone Lenovo

Lenovo S820 Lenovo S820
Lenovo A369i Lenovo A369i
Lenovo S920 Lenovo S920
Lenovo IdeaTab S6000H Lenovo IdeaTab S6000H
Lenovo IdeaTab S6000F Lenovo IdeaTab S6000F
Lenovo IdeaTab S6000L Lenovo IdeaTab S6000L
Lenovo IdeaTab S6000 Lenovo IdeaTab S6000
Lenovo IdeaTab A1000 Lenovo IdeaTab A1000
Lenovo K900 Lenovo K900
Lenovo S890 Lenovo S890
Lenovo K6 Enjoy Lenovo K6 Enjoy
Lenovo Tab P10 Lenovo Tab P10
Lenovo Tab E7 Wi-Fi Lenovo Tab E7 Wi-Fi
Lenovo Tab E8 Lenovo Tab E8
Lenovo K5 2018 Lenovo K5 2018
Lenovo Z6 Lenovo Z6
Lenovo A6 Note Lenovo A6 Note
Lenovo K10 Plus Lenovo K10 Plus
Lenovo M10 FHD REL Lenovo M10 FHD REL
Lenovo A7 Lenovo A7