Note, when you press the "Save" button, your drawing is stored on SD-card. In common case your creation will be presented immediately on image gallery under a folder named "FunnyDotsPics". Some phones doesn't upgrade immediately the SD-card contents, but if you restart the phone, the image gallery will reload and you will see new added pictures.
Also you can use long press on "Color" button to choose width stroke.
Search for "send phiz" on android market or just use QR-code below: