Rooting, freezing...... Now problem with split window

Hello all,



I did root my device a week ago and went on a freezing mission.

I got the tablet now pretty lean, super snappy and overall very smooth.

One problem. I love using the split window, it still functions however, the blue dot at the separation of the two Windows is missing, now I can't change the size of the split Windows or close one etc.... Anyone knows which app or which data I have to unfreeze to get the blue dot back.?



Another two questions.

I had my tab plugged in overnight, this morning I took it off the charger, checked quickly the weather, closed the cover to put it to sleep. The battery was still at 100% at that time. One hour ago I took it opened the cover and the battery sunk to 73%...is this normal that the tab is burning thru 1/4 of its battery capacity by just sitting there in sleep mode? I had all apps stopped before I set it aside this morning.



Another question. The little blue dot which acts as quick menu once clicked, how can I remove/freeze it? What's the name of this widget/app?



Thanks a bunch

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