Known issues

Routing does not work between ports and wire to port in the case of "Enlarge selected". Routing port to wire works.
Workaround: push "Do not enlarge selected" in main menu.

Release 3.9 on Android 2.3.3 - 2.3.7 devices: App does not start because of java.lang.NoSuchMethodError. Fixed in 3.10

Manual wire editing is not compatible with diagonal wires.
Workaround: Disable diagonal in main menu and reroute the diagonal wire before editing it manually.

Inputs of OR, EXOR, EXNOR gates are not correct after the change of gate symbol type.
Workaround: Save and restore the schematic.