Mobile Hotspot DNS Settings - Android Q&A, Help & Troubleshooting

Hi guys,
I'm trying to figure out a way to change the DNS settings for mobile hotspot. I have a Samsung Galaxy S4 and a Nexus 4. I need the mobile spot to be able to edit the DHCP settings and set the address differently.
Any suggestions on how to do it via apps or programatically?
Thanks,
Indian

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