version 1.9 supportsiPhone 4 and iOS 4.0,outputs to external displays.
version 1.10 fixescrashes with background colorsand clearing graphs.
Insert a \n (a backslash followed by an n) where you want the line break in the label text.
Double-tap on the graph background i.e. away from any node or edge. The Graph settings screen should appear. Edit the Title setting.