I have two Dwarfs, one from Thomann, one from the crowd funding campaign and I love them!
The hardware is very sturdy, basically what you would expect from a guitar pedal meant for being stomped on. At the same time it can also easily be used on a desktop.
Using the Dwarf with a guitar provides everything you need to get a great sound: effects, amp simulations, two channels, balanced autio outputs, MIDI in and out, headphone out. This makes the little box a great addition to home rehearsal in quiet neighborhoods juszt as well as in a band rehearsal room, on stage or for the recording studio. All options covered.
The basic plugins are right on the box, additional ones can be loaded (many for free, some for a bit of additional cost) from the plugin store.
Mod Audio recently published a set of reverb plugins that alone would justify the pedal as a reverb effects box.
Any number of pedalboards can be created (or downloaded from a community page) using a beautiful browser-based user interface which can connect via USB, or - with an additional little USB dongle - via WLAN or Bluetooth, e.g. using a tablet or computer. Once installed or created, no computer or tablet is necessary anymore, switching between pedal boards or changing parameters can be done using the Dwarf's switches or rotary encoders while showing the current status on the built-in display.
So using it just as shipped provides everything one needs as a guitarist.
But it doesn't end here. The community in the forums is really friendly and helpful in guiding people and helping them to achieve the desired tone or pedal routings.
And besides the usual "guitar things" there are also synth plugins and other stuff available which can drive the sound to a totally different level. This usually requires a bit of experimentation though to achieve good results.
As big parts of the underlying firmware are open-source there are a wealth of community-driven plugins available (some in the beta plugin store).
More technically sophisticated people can even write their own plugins based on the LV2 standards widely used in the Linux audio comunity.
Mod Audio provides frequent updates for the device which constantly improves operations and provides new features, so the value of the device increases over time.
So while this whole review sounds like an ad for the Dwarf, this is really a great little device and the awesome community really works closely with Mod Audio to provide the best possible experience.