Here's how you can download the Pinterest app free for Android devices.
1. Go to the Google Play page for the free app Pinterest.
2. Tap the Install button.
Here's a description of Pinterest:
"Pinterest is a tool to find your inspiration and share it with others. Use it to collect things you love, organize and plan important projects, and more.
• Pin images from around the web
• Explore pins and boards you’re interested in
• Get inspiration from DIY, Travel, Food and other categories
• Pin with your camera"