Android Task & File Manager

I need a straightforward utility app for Android phones that blends two core features: a clean task-management area and a practical file manager. The task side should let users add, edit, prioritise, and tick off tasks with local persistence—Room or a comparable lightweight database is fine... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, Android SDK, Git, Java, Kotlin, Mobile App Development)