From the Store description:
Lara Croft: Relic Run is the all new action adventure for nostalgic Lara Croft fans. When a shadowy conspiracy threatens the world, only Lara Croft is equipped to unearth the truth. Collect clues to uncover ancient relics. Run, swing, drive, and swan dive your way through beautiful and challenging environments. There’s no time to waste, but how long can you survive?
• Make your way through multiple ancient locations - each filled with secrets and danger
• Power up Lara’s weapons and engage in frantic combat
• Use parkour moves to create death-defying last minute escapes
• Fast-paced vehicles like ATVs and motorcycles give Lara more ways to conquer the terrain
• Epic Boss Fights – including the return of the infamous T-Rex!
• Swap and upgrade equipment to give Lara the edge
• Earn bragging rights on the leaderboards
• Outsmart and sabotage your friends by Cursing their Relic Run
The trailer video gives a good idea of the game in action, these are the sorts of things you'll be guiding Lara in:
Good old Lara! Running completely in portrait mode on your phone (as did Temple Run before it), you can download the game from the Store here.