The app contains all the names orders descriptions and offices of all the Spirits that ever Solomon is said to have evoked and confined in a bronze vessel sealed together with the Symbols and Characters belonging to each Demon.
This app assigns a rank and a title of nobility to each member of the infernal hierarchy and gives the demons "signs they have to pay allegiance to" or symbols.

List of demons:

Lucifer Satan Satanás Satán the Devil.
Bael Baal Baël.
Agares Agreas Aguarès.
Vassago Vasago Usagoo.
Samigina Gamigin Gamygin Gamigm.
Marbas Barbas.
Valefor Valefar Malaphar Malephar Valafar.
Amon Aamon Nahum.
Barbatos.
Paimon Paymon Paimonia.
Buer.
Gusion Gusoin Gusoyn.
Sitri Bitru Sytry.
Beleth Byleth Bilet Bileth.
Leraje Leraikha Leraie Leraye Loray Oray.
Eligos Abigor Eligor.
Zepar.
Botis Otis.
Bathin Bathym Mathim Marthim.
Sallos Saleos Zaleos.
Purson Pruflas Curson Pursan Busas.
Marax Morax Foraii Farax.
Ipos Ipes Aiperos Ayperos Ayporos.
Aim Aym Haborym.
Naberius Cerberus Cerbere Naberus Nebiros Cerbère.
Glassialabolas Caacrinolaas Caassimolar Glasya-Labolas Classyabolas Glassia-labolis Gaylos-Lobos.
Bune Bime Bim Buné.
Ronove Ronwe Ronové Roneve.
Berith.
Astaroth Ashtaroth Astarot Asteroth.
Forneus.
Foras.
Asmoday Asmodai Ashmodai Asmodeus Asmody Asmodèe.
Gaap Tap Goap.
Furfur Furtur.
Marchosias Marchocias.
Stolas Stolos Stoppas Solas.
Phenex Pheynix Phoenix Phoeniex.
Halphas Malthus Malthas Malthous.
Malphas.
Raum Raim Raym Räum.
Focalor Forcalor Furcalor.
Vepar Separ Vephar.
Sabnock Sab-Nac Sabnach Sabnack Sabnacke Salmac Savnock.
Shan Shax Shaz Shass Scox Chax.
Vine Vinea Viné.
Bifrons Bifrovs Bifröus Bifronze.
Uvall Vual Voval Vreal Wal Wall.
Haagenti Haage Hage.
Crocell Crokel Procell.
Furcas Forcas Forras.
Balam Balaam Balan.
Alloces Alocas Allocer Alocer.
Camio Caym Caim.
Murmur Murmus Murmux Murmuur.
Orobas.
Gremory Gomory Gamori Gamory Gemory.
Ose Voso Oso Osé Oze.
Amy Avnas.
Oriax Orias.
Vapula Naphula.
Zagan Zagam.
Volac Valak Valu Valac Ualac Valax Valic.
Andras.
Flauros Haures Hauras Havres Flavros.
Andrealphus Androalphus.
Cimejes Cimeies Kimaris Cimeries.
Amdusias Amduscias Amdukias Ambduscias.
Belial Baalial Belhor Beliar Beliall Beliel.
Decarabia Carabia.
Seere Sear Seir Seire.
Dantalion Dantalian.
Andromalius.