Click on the green circle and then click where you want to to draw. also before clicking the bin to delete all press the stop button avoid painting the bin. 1 and 2 to change colours Press T to add things into text list. Click on the tab saying "3d store" to show info and press space to stop saying it. and click the objects inside the tab and right arrow to rotate them.
Microsoft paint This is also very big and is not designed for puffy clouds. rather for sharp Things from Rocks to mountains to trees(Sharp edge)to Rockets to even weapons!