Android 11 App Upgrade & Fix made in kotlin

I am seeking an experienced Android developer to upgrade an existing application, originally sourced from a GitHub repository. This application, intended for use as a Kiosk Launcher, requires several enhancements to bring it up to current standards and ensure full functionality on Android version 11. Further details can be found in the repository: [login to view URL] Key Requirements: - **Upgrade to Android 11:** The app must be updated to operate seamlessly on Android 11, ensuring compatibility with the latest Android OS functionalities and security features. - **Device Administration Lock:** Specifically, I am looking for enhancements to the device administration lock features to ensure better app and device security. Ideal Skills and Experience: - Strong expertise in Android development, particularly with experience in upgrading applications to Android 11. - Proficient in implementing and optimizing device administration functionalities on Android. - Excellent understanding of UI/UX design principles for mobile applications, with a portfolio demonstrating previous work on UI improvements. - Capable of diagnosing and fixing performance-related issues in Android applications. - Experience with integrating new APIs and updating existing ones to improve app functionality. This project is ideal for freelancers who specialize in Android app development, with a keen eye for detail and a proven track record of enhancing app performance and security features. If you believe you have the skills and experience needed to complete this upgrade successfully, I look forward to receiving your proposal. This is really simple task for someone with the experience, all features are in the app, they just need to be upgrade and bugfix to work on the new android versions Things that does not work 1. Settings in the app 2. pin for exiting the app 3. setting allowed applications 4. setting startup applications 5. does not lock the swipe down function in short the important pats is that i can lock down android completly (close the lockdown with a pin), set allowed applications, set startup applications and this works. WHAT YOU BID IS WHAT YOU GET, so dont bid low to get in talk with me, then you ask a budget. Simply the project holds all specifications and code, so simply give me a bid you can do the required task for....