DIGIMON ALYSION announced features

According to the App Store listing, DIGIMON ALYSION will offer a story mode with a tutorial for card game beginners, a free pack every day, ranked battles against players worldwide, casual matches with friends and characters, many card types, and Digimon breeding with Digivolution to Mega and a Digidex of 100+ entries.

App Store image: get a card pack every day.
Official App Store screenshot of the daily pack.
FeatureWhat Bandai says
Story modeOriginal story and characters
Beginner friendlyGuides on card layout and battle basics
Free Daily PackOpen one free pack each day
BattlesRanked play worldwide or practice with friends
CardsExisting Digimon Card Game cards plus all-new cards; Shiny, Alt-Art and animated Premium Alt-Art
BreedingDigivolve to Mega; 100+ Digidex entries
App Store image: seize victory with your own ultimate deck.
Official App Store screenshot of the deck screen.
App Store image: battle players from around the world.
Official App Store screenshot of a card battle.

DIGIMON ALYSION has not been released yet. Everything here is based on what Bandai has announced before launch and may change.