So it looks like the alpha builds of Kodi no longer allow fast forward or rewind on the trackpad. Not sure if this is a known issue but I didn't see anything doing a quick search.
2016-08-30, 07:41 (This post was last modified: 2016-08-30, 07:43 by Memphiz.)
You have to map those on your own now as people said it would be a mess because they scrub accidently by just grabbing the remote.
You didn't search enough - this post was maybe 5 lines below yours.
AppleTV4/iPhone/iPod/iPad: HowTo find debug logs and everything else which the devs like so much: click here
HowTo setup NFS for Kodi: NFS(wiki)
HowTo configure avahi (zeroconf): Avahi_Zeroconf(wiki)
READ THE IOS FAQ!: iOS FAQ(wiki)