*Please note: I am writing this using the Blogger app on my iPhone and it does not give me the option to add a link. So while I figure this out, feel free to look up the app on iTunes or in the app store from your device.
You can currently download the Britannica Kids Rainforest app from the iTunes store. It has a 4 star rating, which is pretty good. This will work on your iPhone or iPad. The other Britannica apps are $4.99 so grab this one while it is free.