What to add to black parts in a video to make it more appealing?

So i'm editing a video and it is recording of an iphone. The video is 1280 by 720 and there are black bars on both sides. What could I add to make the video more appealing? Should I mirror it, should I add some kind of stock footage of a loop?

heres a screenshot of my video.
What to add to black parts in a video to make it more appealing

IPhone 4s keeps telling me sign in to iMessage or FaceTime?

Okay so I was going to FaceTime my friend today on my iPhone 4s. When I tried going on to FaceTime it made me sign so when I tried signing in it said "could not sign in. Please check your network connection and try again" I tried so many times but the same message keeps popping up -.- Please Help ME SOLVE THIS!

How to restart Clash of Clans? - 1

I had an LG G2 with CoC, but I cracked it and transferred my village to my old iPhone. I recently replaced my LG G2 and the village was already loaded due to me connecting through Google+. My question is: can I keep my village on my G2 and get a new village on my iPhone? I've tried getting a new game center and it didn't work.

Can I replace my broken iPhone 5s with a spare iphone?

My brother has an unused iPhone 3 lying around. I broke my iPhone 5s… Can I take both phones to a verizon store (which is my provider) and get the content transferred or simply activate my contract on the iPhone 3 or however it works so I can start using the iPhone 3?

Can I clear my iPhone if someone took it?

I have an iPhone 4S and it was taken. If they get the password they have access to all the information within it so I was wondering if there was any way I could clear it with using just a computer since I don't have it in my possession.

How to clear the data of an app?

How can you clear the data of an app? I have an app that I love but it's taking up so much of my space and I can't delete it because it's no longer in the App Store and I bought it as well. In the android you can clear the cache but not in iphone

Is there a safe with gps to locate if stolen?

Preferably something water/fireproof, 0.5 ft^3 interior space, and able to be tracked by an app for the iphone. If not, what about a gps marker that works with iphones that I could put inside it?

Can I recover my iPhones number?

So my friend gave me his old iPhone 5 and I already have a phone so I never bothered reactivating it or anything I just used it for iMessage and music. The phone had a number. Recently I signed out of their iCloud account and used mine and I suddenly couldn't send messages on iMessage from that number. I tried signing back in to their iCloud to recover that number but it wasn't working. Now I can only iMessage through this email thing. Which looks dumb. Is there anyway I can recover that number? I really would rather text off that than this email thing