added readme

README.md

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+# flipper-jetpack-joyride
+
+`JETPACKS, ROCKETS, AND ADVENTURE AWAITS!`
+
+![JETRIDE](DOCS/screenshots/gameplay.png)
+
+## Jetpack Joyride Game Remake for Flipper Zero
+- Recreated based on the classic Jetpack Joyride game for Flipper Zero.
+- Get ready for a thrilling ride filled with obstacles, coins, and of course, jetpacks!
+
+### Installation
+
+- Download the [latest release fap file](https://github.com/timstrasser/flipper-jetpack-joyride/releases/latest).
+- Copy the fap file to the apps folder of your Flipper SD card.
+
+### Usage
+
+- Start the "Jetpack Joyride" plugin and navigate Barry through the lab with your jetpack.
+
+### Build
+
+- Recursively clone your base firmware (official or not).
+- Clone this repository in `applications_user`.
+- Build with `./fbt fap_dist APPSRC=applications_user/flipper-jetpack-joyride`.
+- Retrieve the built fap in the dist subfolders.
+
+For more information about the build tool, check [here](https://github.com/flipperdevices/flipperzero-firmware/blob/dev/documentation/fbt.md).
+
+### Credits
+
+- Original Game: Jetpack Joyride by Halfbrick Studios.
+
+---
+
+Feel free to raise an issue or contribute to the project! Your feedback helps make the game better for everyone.