UIDAI has launched official Aadhaar App named "mAadhaar", as of now it can be downloaded on Android Platform from Google Play Store.

This App mAadhaar has been released as a Digital India initiative, this app is developed by UIDAI which includes demographic information like name, date of birth, gender and address along with the user's photograph and is linked with one's Aadhaar number. Aadhaar Official 
This App mAadhaar allows you to lock/ unlock your Aadhaar Biometric, Time based onetime password which can be used as an alternative to SMS bases OTP etc.

With mAadhaar App users will also be able to update their profile but only after successful completion of the request. To use mAadhaar App, your registered mobile number should be on same device on which you are installing mAadhaar App. Incase if your mobile number is not registered with your Aadhaar Card you will not be able to use this app, to use this you will have to get your mobile number updated in your Aadhaar Card. QR Code and Password Protected eKYC is additional features found in this app.