You can start with Grain just by downloading one of its themes, no installation required. Besides, you can easily integrate any Grain theme with your existing Gradle project via the Grain Gradle plugin.
New Age is a Start Bootstrap landing page theme with bold, colorful design for showcasing web and mobile applications. It features configurable device mockups for displaying your application screenshots.
Stylish Portfolio is a one page Bootstrap theme designed to present company services and portfolio items in neat full-page modal windows. The theme is enhanced by a simple off-canvas navigation with a smooth scrolling effect.