...It abstracts away the boilerplate associated with combining a ViewPager + PagerAdapter + header + toolbar + tabstrip — so instead of wiring all that manually, you drop in a single custom view in your layout and configure with XML attributes (header height, header image or logo, colors, fade, etc). The library supports customizing header appearance (static or animated), logos, toolbar behavior when you scroll, and integrates with Android’s view hierarchy (tabs, recycler views).