shortcut key

[GKRAJ]

Provide shortcut key to operate mobile easily with less touching on my while using external keyboard

[Sidhabhi]

Try one hand operation+(gesture based samsung official app)

http://apps.samsung.com/appquery/appDetail.as?appId=com.samsung.android.sidegesturepad

[Ehsank]

you can Enable assistant menu, this is best way ,by this option you can also perform other important task such as screen off, navigation, sound, screen rotation, power off menu, notification panel and also specific app option available

To enable assistant menu just go to

settings>>accessibility >>interaction and dexterity>>assistant menu>>enable and also click on it and enable>> assistant plus menu

[GKRAJ]

i ask about shortcut key while using external keyboard

[GKRAJ]

for example tap anywhere by using keyboard