BOSS KATANA:GO - The best headphone amp?

I've had this about a week and I love it. It lets you edit and save up to thirty presets, some of which are featured in this video. If you are familiar with Katana amps, you'll feel right at home with this.
0:00 Start
0:03 Unboxing
0:12 Description and operation
0:19 App screenshots
0:40 Controls
1:15 Sounds & Presets
1:17 Ambient Clean
1:42 Neo Clean
2:09 Natural Drive
2:24 Warm Tone
2:43 Basic Blues
3:00 Stadium Solo
3:17 80s Rock Lead
3:41 Crunch Trem
4:07 Fixed Wah Lead
4:25 T-Wah Clean
4:35 Amaj Harmony
4:42 American Crunch
4:56 Clean (edited) w/reverb & delay
5:22 Crunch Trem (edited)
5:44 Univibe (edited)
6:04 Thoughts
6:46 Helter Skelter (sort of)
7:10 Credits & gear used