The most defining characteristic of the YouTube app for Android 5.0 was its aesthetic. This was the flagship application for Google’s new Material Design language—a bold, colorful, card-based interface with realistic shadows and fluid animations. The full version of YouTube on Lollipop was a showcase of "tactile" surfaces. The red play button would ripple when touched, video thumbnails expanded into full-screen views with a satisfying zooming transition, and the sidebar slid out with a sense of depth.
and clearing both storage and cache can sometimes resolve loading issues. Device Upgrade Android 5.0 Lollipop Feature Review! youtube android 5 version full