[Standard Gameplay Progression] │ ▼ Earn Small Coin Rewards (Matches & Achievements) │ ▼ ┌─────────────┴─────────────┐ ▼ ▼ Buy High-Tier Players Upgrade Stadium Capacity (Costs Thousands) (Required for Division Promotion) │ ▼ [Result: Extreme Grinding or Paywalls] Coins are required for every critical action:

If you’re looking for the version:

In DLS 2016, you cannot progress to higher leagues—even if you win every match—unless your stadium meets specific capacity requirements. Use your unlimited coins to immediately upgrade all stands.

Go to Settings > Security > Enable "Unknown Sources" to allow installation.