To boost Bitcoin usage you need to build an auxiliary System that imitate a Nation so that it can help serve as some sorts of self-sustaining system with a circular/interdependent economy that uses Bitcoin as its Native/National currency.
To succeed in this I  would suggest you focus on building a Bitcoin system that could exists as Virtual Nation or as Decentralized Operating system like Window/Andriod. And such system must be according to the Bitcoin ideals so that it's safely Interoperable or existing more like compatible Lego you can plug into the Bitcoin building/foundation to exchange data with the Bitcoin.
I tried to avoid the technical terms associated with this in order to keep things simple