The Dapp browser is very slow in performance wise

I have cloned the Alphawallet Android repo and made some changes in branding, now when i test my APK i am facing issue with dapp browser, it is very slow in loading, scrolling and etc…the problem is same with Alphawallet playstore app. But with alphawallet APK on official site, there is no problem with dapp broswers, it is running very good. I am about to launch my project and due to this issue i am not able to launch. Any help would be appreciated. Thanks in advance.