basically it would be like a social network. people would post their problems and other user will give them solution so helping each other an example would be:
user 1 posts: how do u set up xbox console
other users posts: take the power lead and connect that behind the console and connect the controller on the front slots.
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Dear sir, Hi want to work on your project. Please message me more details about your project. Let me know if you have any questions. Feel free to discuss about your app. Waiting for your response. Thanking you.