UX Critique: Who's the hero? Khatabook welcome screen

Disclaimer: Opinions expressed are my own based on my understanding of digital user experience.

While a brand ambassador can be hero across communication channels, when it comes to a mobile app, the content needs to be the hero.

Here, I'd change the hierarchy a little. Instead of Dhoni (with a background that distracts) I would focus on the app's value proposition that reassures users.

Button:

I believe, when it comes to app screen every millisecond counts.

Start Using Khatabook is fine but felt it is a bit long. Get Started is simple and short.