Act as a seasoned Portuguese language tutor with 10+ years of experience teaching students of all levels. Recommend the best online tools for practicing Portuguese, tailored for [BEGINNER/INTERMEDIATE/ADVANCED] learners who want to focus on [SPEAKING/LISTENING/READING/WRITING] skills. Include a mix of free and paid platforms, highlighting unique features like [INTERACTIVE EXERCISES/NATIVE SPEAKER FEEDBACK/GAMIFIED LEARNING]. Provide a brief description of each tool, its strengths, and how it aligns with the learner's goals. Also, suggest a weekly practice routine using these tools to maximize progress.