TBN+ Christian Streaming

I’m having trouble figuring out the video controls for this app. I will describe what I have figured out so far in the hope that either it will be helpful for someone else, or that someone can explain better to me what’s going on.
When you open a video the screen that appears starts with an unlabeled button. this is followed Buy a button which says possible text and reads some other information on the screen. This is followed by a position percentage indicator which is identified as dimmed and adjustable, but which I can’t get to adjust. After this is something that says video title with the program length in minutes followed by the letter M, then the title of the series, then an up next button. By default, auto play is set to on, and play in background is set to off. These settings are on the profile tab. Currently the most reliable way I know to pause the program is to lock the iPhone or press the home button. I hope there is a better way, because I really want it to play in the background.
When you press the first, unlabeled, button, the screen changes. The second button appears to be the same as on the first screen, the third is video close, and the fourth (Usually last) is my list.VideoClose does close the video sometimes, maybe when the video has finished, but not while it is playing or paused. If you double tap video close or my list you can eventually get other buttons to appear: share, sync, iconRewind, iconPauseLarge, iconFastForward, iconSubtitles, icAirplay, and iconFullScreen. After these are current position/length and the position percentage indicator that indicates adjustable and is not dimmed. However, swiping down on this indicator decreases it by 10%, following that it stays the same or possibly decreases if you swipe quickly, but the position doesn’t change and when you return it has the original value. To get these buttons to appear, you have to press one of the visible buttons, such as video close, Share, or sync, possibly several times. Rewind doesn’t rewind, fast forward doesn’t seem to fast forward, pause pause is but you have to hit it several times, when it is replaced by play.
Good news! When you turn on play in background, it does play in the background, and the usual display does appear on the lock screen. The pause button there works. I still haven’t found a way to change the track position.
v5.100.2 (602), IOS 12.4 on iPhone SE.

I observe the following strange navigation with voiceover on the Explore tab main screen. Swiping forward alternates between the collection button and its first item button. When on a collection button, swiping back moves to The next collection’s first item button. On The first item, button swiping back moves to The previous collection button. So to navigate forward, swipe forward to the collection button, then swipe back to reach the next collection.s first item button, then forward to its collection button.
An example: assume that if you explore the screen from top to bottom voiceover reads the following:

Live Channels
Live Channels first item TBN Live

Top TBN Shows
Top TBN Shows first item Better Together

Live Out Loud
Live Out Loud first item Praise | Louie Giglio & Sadie Robertson | 5/24/18

IfVoiceover is focused on live channels and you swipe forward it will say
first item
TBN Live. If you swipe forward again it will say live channels. If you now swipe back, it will say Top TBN Shows
first item
Better Together. If you now swipe back it will say live channels.
Note: I took a screenshot of this page and OCRed it, and there was much more text on the page then voiceover is reading.

While playing, to access the video controls press show controls, but they are displayed only very briefly. Very quickly explore the screen near the top and find pause. Double tap pause and the Controls will remain visible. You can also pause with two finger double tap, then press show controls, and the controls will remain visible. On the seek control voiceover says to swipe up and down to adjust it, but this doesn’t work. The percentage changes momentarily but then jumps back to the original percentage. To change it, double tap and hold, then drag right to increase and left to decrease.
iPhone SE first GEN running iOS 15.5.