If you have a photo on your Samsung Galaxy S6 then you may want to paint a drawing by hand within the Gallery app. All you need for that is the app "S-Pen SDK" from Samsung, which makes it possible to paint on pictures.
We tell you here how to install this app, which will then be automatically integrated within the Gallery app.
To do this, open on the Samsung Galaxy S6 the Gallery app and then open a photo on which you want to draw. If that photo is displayed, then tap once in the middle of the display, so that the menu bar appears at the bottom. Then tap the "Edit" button and then "Photo Editor". Within the Photo Editor, you can now see again in the bottom menu bar on the far right the button "Drawing". Tap on this.
You will now be automatically asked if you want to install the application "Spen SDK". Answer this with "Yes". You will be redirected to the Galaxy App Store, where you can now download and install the app. You are then returned to the gallery. Tap again on "Drawing". It now opens the drawing software and you can use your finger to paint on the photo or image.
You know now how to draw on the Samsung Galaxy S6 on photos.