close call

imagine if you were stuck in the mountains and there was no phone signal

id="app-details-left"> Inspiration When i visited georgia recently i realised how much phones are important in hilly areas where there was no signal. I hadn't even bought a sim so i felt it even more. One of these nights laying on my bed it came to my head " what if i could call others without requiring a cellular network?" What it does It uses bluetooth and wifi direct to make phonecalls to other devices in the vicinity How we built it one simple prompt on bolt Challenges we ran into turning it into offline mode, making it installable etc. Accomplishments that we're proud of worked on first…

Description excerpted from the original listing, which is linked below.