The standard of a high quality Android board typically includes the following features:

Strong processor: A high-performance processor such as Qualcomm Snapdragon or Exynos is desirable.

Adequate RAM and storage: A minimum of 4GB RAM and 64GB storage is recommended for smooth performance.

High-resolution display: A high-resolution display with good color accuracy and viewing angles is important.

Latest Android version: The board should run the latest Android version for optimal performance and security.

Connectivity options: A board with multiple connectivity options such as Wi-Fi, Bluetooth, GPS, and LTE is ideal.

Build quality: The board should have a sturdy and well-made design to ensure longevity and reliability.

Power management: Good power management features to ensure long battery life and efficient power usage.

Support and development community: The board should have a strong support and development community to ensure the availability of updates, bug fixes, and custom ROMs.