Open APR means that developers and will have access to data and app and will have ability to develop on it and from it further to make additional features other applications that communicate with this one to make a better solutions and similar things like that, The Dv8 team is very impressive. Always finding ways to make the wallet and coin stronger. It's already built on a strong foundation and is only getting stronger. Glad I got into the staking earlier and i am getting coins.