Okay, so this kind of funny, but if you want to block porn on your Android (I mean completely block it) then here is how you do it.
Watch this video: https://www.youtube.com/watch?v=FofFGcCULl4
[Stuff used in this video]
1. Block Adult Videos on YouTube App And Make it Safe for Kids
http://techwiser.com/block-adult-vide...
2. Use Opendns
OpenDNS servers are: 208.67.222.222 and 208.67.220.220
Now, to check if you are using openDNS
go here https://www.opendns.com/welcome/
FamilyShield DNS settings 208.67.222.123 and 208.67.220.123
3. Use PornAway
https://forum.xda-developers.com/andr...
4 The finishing touch.
4.1 Turn Safe search on Google app,
4.2 Turn Safe search on Google app,
4.3 And then turn on safe search on google search engine
Here are instruction https://support.google.com/websearch/...
Get an app locker app,
And password protect the settings, play store etc.
https://play.google.com/store/apps/de...
Hope this helps. Get power of habit on Audible, go to
http://www.audibletrial.com/mrinal
For more info also see this post: https://protectyoungeyes.com/how-to-block-porn-on-any-device-for-free/