You can build a small portfolio from your phone. Start with a readable document rather than waiting until you can design a personal website.
Google's Android documentation explains creating and working with documents on mobile. It is one possible tool, not a requirement or a claim that every portfolio task is comfortable on a small screen.
Use one page as a test
Make this suggested structure:
What I can help with. One plain sentence about the work you can currently do.
One example. A screenshot, excerpt or link, followed by your role and the task it solved.
Another example. Show a different skill or a more developed version, if you have one.
How to reach me. Use a contact route you are comfortable sharing publicly.
Label practice pieces as practice. A poster you made for an imaginary cafe should not look like an actual client commission. If a project was shared, explain your contribution instead of taking credit for the whole group's work.
Test the link
Google's sharing controls distinguish viewing, commenting and editing. Choose the access the reader needs, then check the link from a separate session.
Ask someone to read the page on their phone. Can they identify the work you offer, find an example and understand what you contributed? If they have to zoom repeatedly or request access, revise the delivery.
Keep identity documents, private class information and other people's contact details out of the portfolio. Use original examples or material you have permission to show.
A small finished portfolio can be more useful than a large folder with no explanation. That is the kind of everyday effort Hustl wants to recognise.
For adults aged 18+ considering paid writing, see freelance content writing for students. Add the next example after you complete it; the portfolio can grow alongside your skills.