Use APKPure App
Get Omni MTG old version APK for Android
Synchronize your MTG Offers with different platforms like Snapcardster
https://github.com/snapcardster/omni-mtg/
Omni MTG is an Open Source Omni-Channel Solution for Magic: The Gathering. With this tool you can easily synchronise various marketplaces for Magic: The Gathering such as Cardmarket and Snapcardster by connecting the provided API's.
You will need a Snapcardster Account with activated wallet to use this tool.