Hello AppsHub, welcome to HubPages. There isn't really an answer to your question other than give it time.
You should aim to write quality hubs, lots of good strong content and gathering followers is a bit like a snowball rolling down the hill. It starts small and grows over time.
Also some people like you to follow them, they then join you. But select those you follow carefully. Make sure they are people you like to read.
The main thing is don't expect too much too soon. It can take years and hundreds of hubs to gain lots of followers. In the meantime enjoy HubPages, join in the community and have fun.