Not familiar with Helium, but a big fan of Graphene (and yes, you need a Pixel). 😃 

Great OS, very easy to install...happy to help with any questions if you'd like. 

 I just found out about helium and it seems like a great service provider for people looking for more privacy. Thanks 🤝 

 Is it a VPN or?? 

 Wireless phone service that enables individuals to establish and manage mobile networks 

 Ah...thanks!