At this time, it's not possible to directly deposit a cryptocurrency other than bitcoin or litecoin into Abra. However, we are working on making this a feature in the future.
If you'd like to deposit Bitcoin, here's how.
If you'd like to deposit Litecoin, here's how.
Some customers sell their other cryptocurrencies for bitcoin or litecoin so they can bring it all under one app with Abra. To do this, these customers will use an exchange or a conversion service such as ShapeShift or Changelly to get bitcoin or litecoin into Abra.