Sigma is a beautiful HTML Template for selling or presenting your Mobile, Web or Desktop App. You can easily change the colors, images and text to make it ready for you! Sigma Template help you to introduce your Application in the most creative way — choose from a collection of four predesigned homepages and create a perfect solution for your own unique product.
Demo: https://themeforest.net/item/sigma-app-showcase-html-template/21180270