'Select' - calls window, in which you can select picture area by frame (as in 'Frame' tool) - and all effects and tools will be applied only to this area. Text which is over picture - can be hided by 'Call key' on Siemens or similar to it on other mobiles. When you draw in painting window: if cursor is inside of selection - tool icon bordered by green frame, and when cursor if outside of selection - by red frame. If selected whole picture (that is selection deselected) - then there is no frame which bordered tool icon.