All worked fine with 14.1 before the upgrade, unfortunately I cannot remember how I solved the problem in the first place

Strangely I recovered my system to an earlier date using TWRP recovery than reinstalled SPMC and full screen video playback again

Playstore ran some updates and video playback returned to the smaller size

Should I go back to SPMC 13.4 as there are some issues of SPMC 14 not showing video correctly on Amlogic devices.
Or could the problem lie with Superuser app permissions
Ed.
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