hlO (short form of ‘Hello’) is an Android based Bluetooth chat application. It can be used for private or group chat within the Bluetooth distance, so there is no need of internet. Application UI is designed using trending flat UI colors, which is the catchy & soothing.

App is developed from scratch using MIT app inventor (App Inventor for Android is an open-source web application originally provided by Google, and now maintained by the Massachusetts Institute of Technology).

App promotional video :