Here's how you can download the Rail Rush app free for Android devices.
1. Go to the Google Play page for the free app Rail Rush.
2. Tap the Install button.
Here's a description of Rail Rush:
"Get ready for this epic adventure! Step into your cart and begin this mine exploring frenzy! Accelerate through these insanely fast rails while tilting and swiping to avoid the obstacles.
Your job is to collect precious stones, so get those gold nuggets and gems! There will be surprises along the way, and special gifts to earn if you're lucky! Break the rock eggs to reveal what’s inside of them and pick up all the gems for your personal explorer’s collection!
Find new and exciting paths to explore across the mine, and go through those special levels to earn more nuggets! Featuring 6 exciting environments: Caverns, waterfalls, spider nests, dead cities and mushroom halls, as well as surprise levels which will amaze you with their colorful scenarios.
You can also equip your cart with power ups to extend your chances inside the mine, while completing missions and ranking up, in order to become the ultimate explorer! Indiana Jones himself would envy you!"