If you want to hear Track 3 first, you can just drag it into position.
If you skip ahead to Track 3, you can also just drag the skipped tracks ahead of Now Playing. Lots of ways to skin that cat 
This was one of the most common complaints we got about Sooloos… that there was no way to queue up and bunch of content and get to your listening position before hitting play – every time you queued anything, playback would just keep starting.
If you don’t have anything queued, you can just use Play Now and playback will start.
@Serkan_Kuyumcu – can you open a thread in #support with all the details of your setup? Are you running iOS 11 on the phone?