"Is there an app for handspeak.com?" Home screen on your mobile devices isn't just for apps but for also mobile-friendly websites as web apps. You can pin your web app to your home screen so you can quickly load it on your Android smartphone or iPhone.
Android: Launch Chrome for Android (or other web browsers such as Firefox for Android) and visit the website you want to pin to your home screen. Tap the menu button and scroll down to find "add to homescreen". Tap Add to homescreen.
You can enter a name for the shortcut (e.g. "Handspeak") and then Chrome will add it to your home screen.
The icon will appear on your home screen like any other app shortcut or widget, so you can drag it around and put it wherever you like.
Chrome for Android loads the website as a web app when you tap the icon.
iPhone, iPad, and iPod Touch: Launch the Safari app on your Apple or iOS device and navigate to the website you want to add to your home screen.
Tap the "Share" button on the browser's toolbar. Select the "Add to Home Screen" icon in the Share menu.
You can rename the shortcut before tapping the Add button. The shortcut can be dragged around and placed anywhere, just like an app icon.