If you want to add your avatar (or photo) in the Strobbo application, you can this as written below.
Open the Strobbo App
Click on "more".
Click on "profile"
Click on the camera-icon.
The follow screen will appear.
5. Select the picture you want to add.
6. If you want to change the look of the image, you can pinch to zoom and drag to position.
7. Click on "save"
8. Click on "back to overview"