i think the lack of popularity of this wallet stems from the fact that it is a phone wallet not a desktop one. other than that it seems like one of the most active projects out there not to mention old, and the number of features and the quality of them are pretty good.
it also supports lightning network, although it seems to be a custodial wallet which is a bit strange. i have to look into it more.

a suggestion: include the name in the title.
i'm out of merit to give you