Do not BID without Answering my questions.Fix memory leaks and reduce RAM use by 60-80 %. Restructure the code

You will get the project instantly if you answer these questions. What tools will you use? Have you worked on Mediastore? How much time you need to understand the code? Can you start urgently? An android expert needed who understands what causes memory leaks and can fix them. Can also reduce memory leaks. You will have to restructure some code as well. You have to bring down the memory usage by 80%. The code has 10,000's lines of code No noobs please