English to Italian Tech/Engineering Computers: Software smartphone

Please try to avoid the application to switch to the background or off the screen, so as not to interrupt data.
In the power management setting up a key replacement to continue running the screen after killing, and finally, if there are other anomalies, please restart a key replacement application to start all over again.

Il testo riguarda uno smartphone. Purtroppo non ho altro contesto. key si potrebbe forse riferire a "key switch"...