Call to any android device with WiFi, in 2 easy steps.

There are 2 features either you can select WiFi Calls or Walkie Talkie,

1. WiFi Calls : One phone should click on "+call" and other phone should wait to receive that call and then you can talk to each other.

2. Walkie Talkie : Only one phone should click on "Create Group" and others up to 3 phones should click on "Join Group", then select the device and wait till the countdown is finished then you can start using this app (up to 50 meters).