Comment 1 for bug 1620032

@Michal : good report.
May I add that it is the same case on krillin (aquaris 4.5).

1/ Sometimes, need to wait till 3 seconds before to get the correct screen.
This behaviour exists since a long time.
This is annoying because since the user does not see the lighted screen ,
he presses it again on the ON button...

2/ and when selecting an application already launched,
need to wait additional seconds to run it (sometimes 20 seconds)
i.e.: messages-app contats-app ...