The others are tied to a specific platform or palette. They only work on their proprietorial canvas. They do not bring their engines with them, and therefore cannot cross over to other applications seamlessly.
A donutag has no home. It’s a wandering nomad that takes its powerful engines wherever it goes. And it goes everywhere — any two-dimensional space — static or moving; inter- or intra- — is open game. It’s designed to be portable from the get-go.
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