STERNAPLUS is a free Android application developed by Sterna Security in the Business & Productivity category. The app is designed to request OTP for Open TTs and update the Bluetooth keys.

The interface is user-friendly and easy to navigate. The app has a simple design that makes it easy to use, even for individuals who do not have technical expertise. It has two main functions: requesting OTP for Open TTs and updating Bluetooth keys.

To request OTP for Open TTs, users need to enter their username and mobile number. The OTP will be sent to the mobile number provided. Updating Bluetooth keys is also a simple process. Users need to select the device they want to update and follow the instructions.

Overall, STERNAPLUS is a useful application for individuals who require OTP for Open TTs and need to update Bluetooth keys. The app is free to download and use, making it accessible to everyone.