Yes it has LN, Liquid and Bitcoin onchain.
I think they are using something similar like Breeze wallet for lightning, and for swaps they are using Boltz and Sideswap.
Good news that source code for Aqua wallet will be open source and released in public soon, but let's wait for confirmation of that.

So far I am really impressed with this wallet and how easy and simple is to use it, but expect to have few bugs in first few releases.
This could easily become one of my main spend mobile wallets... and no more need to other wallets for stable coins.