Well, that's solved for Quest 2 & 3, but Quest 1 owners won't upgrade their hardware just to have a such option... Let’s hope an upgrade comes one day for us. In my personal case, as a regular slideshow user (I got a 360 cam), for 30 times cheaper, I prefered to find another app offering this option, even if this app is outdated for video. This app offers 2 slideshow modes. One with a setup of the delay probably like SKYBOX, and one that I find more usefull: a paused mode with a stick control allowing to go to next/previous slide. You can easily switch between the both. Both modes work with 360 and 3D (mpo) pictures. I give a clue for Quest 1 owners app's name starts with a Pi