If you have questions, problems, issues, etc. you have two options:
Join our Discord at: https://discord.gg/CWed5Krf7X
Or e-mail: firstname.lastname@example.org
Go to https://app.getfilta.com/profile to connect your wallet. Afterwards you can log into the iOS app using your e-mail and password to see the filters that you have collected.
No. However, an Android app is VERY high on our list of things to do.
Yes! Purchase, resale, and ownership is all stored on the blockchain.