- An app that changes wallpaper according to your mood. It can have a drop-down list of moods to be selected by the user.
- A ceiling which can give you night sky’s view using a screen.
- ACs which can produce petrichor.
- A pen that doesn’t work until its cap is fitted to the pen’s back so as to not misplace the pen cap.
- A mirror-like device that rates you how good you are looking a particular dress.
- A radio station with no ads! Earns revenue only through movie promotions.
- A material that makes it impossible for spiders to make webs on it.
- An anonymous chat box on Facebook. You would be able to chat with someone from your friend’s list but identities would remain hidden.
- A diary which reminds you to write everyday events in it.
- A fragrance detector. A device which can tell you which perfume/deodorant is used by someone from its smell.
