That's only reasonable if the _target audience_ is likely to make use of F-Droid. If your target audience will only use Play, then the only reasonable target s

That's only reasonable if the _target audience_ is likely to make use of F-Droid. If your target audience will only use Play, then the only reasonable target store _is_ Play. I'm in the F-Droid target audience, so you could target me. However, as they appear to be publishing transport/mapping tools for Spain... It's unlikely they can reach their target audience any more.