Incoming call window not properly focused

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Hi,
I just made an HW reset to have better performance by installing only the programs found useful during 8 months of experience...
So the only added processes in background are currently by Gyrator 2 and Lumos.
This is the problem: incoming call window is not properly focused when the current focused app window is in landscape mode. In other words when I receive a call I can see the incoming window only if manila is on top. If, for example, calendar is on top&in landscape mode, I can accept the incoming call or refuse only by using the hw buttons but without the incoming call window visible...

Any help is appreciated!
Armando