Here's a Game Basics Guide to Pokemon TCG Pocket to get you started:
Getting Started
•Download and Install: Available on iOS and Android, download from the respective app stores.
•Account: Create or log into an account. You might link it with existing Pokémon accounts for extra benefits.
•Starter Pack Selection: Choose between Mewtwo, Charizard, or Pikachu packs to start your collection.
Basic Gameplay
Deck Building:
•Size: Decks are limited to 20 cards.
•Cards: Composed of Pokémon cards (Basic, Stage 1, Stage 2, Pokémon ex) and Trainer cards (Items, Supporters). No Energy cards in the deck.
•Starting Hand: You begin with 7 cards. If you don't have a Basic Pokémon, you can mulligan once.
Turn Structure:
•Draw: Draw 1 card (except on your first turn).
•Energy Zone: Gain one energy per turn to use on any Pokémon.
•Action Phase: Play Pokémon, attach energy, use Trainer cards, or attack.
•Retreat: Switch your Active Pokémon with one on your Bench by paying the retreat cost in energy.
•Winning: Score 3 points by knocking out your opponent's Pokémon. Pokémon ex score 2 points when knocked out, others 1 point.
Key Mechanics
•Energy Management: Energy is automatically provided each turn from the Energy Zone. Use it strategically since you only get one per turn.
•Pokémon Types: Each Pokémon has a type which can affect combat due to type advantages/disadvantages.
Trainer Cards:
•Items: Can be used multiple times per turn if you have them.
•Supporters: One per turn, often more powerful effects.
•Evolution: Evolve Pokémon that have been on the field for at least one turn.
•Bench: Up to 3 Pokémon can be on your Bench, supporting your active Pokémon or ready to take its place.
•Status Effects: Conditions like Poison, Burn, Paralysis, Sleep, and Confusion can affect gameplay.
Social and Collection Features
•Wonder Pick: After another player opens a pack, you can select one card from it. This is a social feature to expand your collection.
Pack Opening:
•Stamina: Packs are opened using stamina which regenerates over time. Pack Hourglasses can speed this up.
•Free Packs: Two free packs every 24 hours.
•Missions: Daily missions offer rewards like Pack Hourglasses or Shop Tickets.
•Events: Time-limited events can provide unique cards or bonuses.
•Binders: Display your collection in organized binders which you can share for community interaction.
In-Game Currency and Shop
•Poké Gold: Real money currency for buying packs or speeding up actions.
•Shop Tickets: Earned through gameplay, used for in-game purchases.
•Pack Points: Earned from opening packs, used to "purchase" specific cards from sets.
Progression and Gameplay Modes
•Levels: Gain XP by engaging with the game's features to unlock more capabilities.
Battles:
•Solo: Battle AI to learn and earn.
•Versus: PvP battles against other players.
Tips for New Players: 
•Start with One Type: Build your deck around one type for better energy management and type matchups.
•Learn the Meta: Understand which Pokémon or strategies are popular to build counter strategies or join the trend.
•Use Resources Wisely: Save Pack Points for key cards, use Wonder Pick strategically, and engage in events.
This guide covers the essentials to start playing Pokemon TCG Pocket. As you dive deeper, you'll find more nuances, strategies, and collectibles to engage with. Remember, practice and community interaction are key to mastering the game