Although PS4 do support MP4 files, they have strict requirement for this kind of format.

If your video is recorded in a Memory Stick by a camcorder, the video must meet following standard:

Video in MPEG-4 SP (Simple Profile) and audio in AAC LC (Low Complexity) format.

Video in H.264/AVC HP (High Profile) and audio in AAC LC (Low Complexity) format.

MPEG-2 TS format with video in H.264/AVC and audio in AAC LC (Low Complexity) format.

If your MP4 file comes from other source, eg. converted from DVD, it must meet following requirement:

Video in H.264/AVC HP (High Profile) and audio in AAC LC(Low Complexity) format.

In order to successfully play various MP4 files on PS4, a widely used solution is to convert MP4 to PS4 recognized formats. Learn how to realize in this article.

http://formatplayable.jimdo.com/2015/06/17/ps4-mp4-solution/

From a technical standpoint, the PS4 system supports 3D gameplay, though no titles are currently 3D compatible. 3D Blu-ray movies are playable on the PS4 if you have system software 1.75 or higher. Read the info here.

You just need iTunes to transfer movie and tv shows to IOS device, and learn how to Transfer iTunes DRM videos on Android OS Tablets & Phones here.