Recently youtube crypto video purge most of steemians talk about dtube and threespeak for they storage service and also IPFS file system for content creator video storing on decentarlized network IPFS.
So now i talk about IPFS node app for mobile phone. IPFS is inter planetary file system we can store our file and host website in IPFS but IPFS need server system run IPFS node but we can run our mobile phone has IPFS node just install sweet IPFS app in playstore and open the app wait sometime automatically IPFS node daemon run on background so you can upload your file in this app and also monitor and upload file through webui. ipfs.io webui.
This is best option for mobile IPFS users.