Ipfs based local chatting app for Android

Hi all,
I think most of the members of steemit are techies. especially interested in decentralised apps and blockchain,ipfs and etherium etc. technology.

I think it's good to discuss this you guys this question here.

I am so interested in developing a local chatting app for Android ang iphones

So please suggest me the best way and components, technology and software (open-source) to implement app.

Thank you all.