I find it hard to believe at least some of that that data wasn't cached on your device. Setting a track to be downloaded just means the cached data is evicted d

I find it hard to believe at least some of that that data wasn't cached on your device. Setting a track to be downloaded just means the cached data is evicted differently. If you run their desktop client with logging enabled you'll see this happening and I'd say it's likely to be the same across platforms. That is of course the actual reason they have a non-native app - to reuse the codebase and save money.