Animoto is a really easy tool to use. You can easily create and share bespoke videos.
This is one of the apps I have tried to do my in introduction with. I had known of it for quite a while before but I didn't know much about its features. It does look very appealing and you can customize the characters and make them look like anybody but, as far as my experience goes, the range of scenarios is not very wide.
Zimmer app introduction. Try it out at http://www.zimmertwins.com
I created a AUP with Google Docs. This google feature is highly useful and effective.
This is GoogleGo! I love this app. I use it all the time. I set the language in English and I use it to check lots of words, facts and open some other apps. It works differently depending on the device. If it is well optimized, it works perfectly and results very amusing and interactive.
@Piktochart Infographic This is a very useful and intuitive tool so as to make charts, pictograms and presentations.
Very versatile tool to create stories and comics. Free, useful and easy.
Storyboardthat.com is a handy tool to make storyboards with lots of options.
This is a wonderful tool to create presentations, besides, is very easy to use and free.