My first android game weeks of work what you guys think

3 months of work finally finished my first android app, its a simple game
i would love to hear some opinions and advises, but go easy on me im a beginner lol

the game is called SKI CHALLENGE, i hope you like it and give me your honest opinion about it what should i do to make it better, and ideas for new apps will be a real help

i published it on play store here is the link:
https://play.google.com/store/apps/details?id=com.mougiandnougi.SkiChallenge
and amazon also here is the link:
Ski Challenge:Amazon.com:Appstore for AndroidSY300_QL70&dpSrc=srch
thank you :wink:

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