Finally Pinterest official app is available for Android and iPad devices, it is first made available for iPhone devices and it receives a positve feedback with its features
You can find the device in the android store, you can search it there , though it is already in the homepage in the android store
Login method is similar to web version, you have the option to connect using Twitter and Facebook, since Pinterest is open to the public, request feedback may not be needed.
When you log in, you can actually see that it is the exact replica for the web version which is good, learning curve using the app is very little if you are already familiar with the web version.
You can download the app here for FREE from the Android Store
(You need QR code scanner for mobile phones, download here for Android)