You can use this to compose your scenes and images quickly –

This tool is best used on a tablet or computer screen, however it can also be used on a phone in landscape mode.

Click on the checkboxes to show the elements such as Person, Buildings, Horizon etc.

Click on the person, and the buildings to move them around to suit your composition, you can also move the horizon.

Note: When the horizon box is ticked you will not be able to move the person or the buildings, so please uncheck the horizon if you want to compose or recompose the person and buildings for your image.