Is anyone still active here? Also, can I submit runs with no visible timer and recorded with an iphone?

It is not too active here but there's always someone to help, you can submit your run as long as you can clearly hear the game audio and can see the game. I recorded with a tablet before so recording with your iPhone should be fine as long as you can see the whole game. No timer required.

Thanks!

As already responded, timer is not required and recording with your phone is acceptable. Apart from that, it is preferable that you have game audio, but run can be verified even without game audio, if some unexpected/unwanted reason occured (e.g. audio crashing in your recording software). Most significant is having whole game screen captured properly during whole run without it being obscured, since that's the ground for rejecting run, if it's not possible to fully see what's going on in game during PB attempt. Additionally, it is recommended to read the rules (especially if you are going to use emulator to see what is advised, what emualtors are banned etc.)