Launch the game. The title screen should display which mirrors Java 1.7.10 features (no elytra, no shields, old combat mechanics).
If you are looking to set up 1.7.10, the "proper" way involves these steps: Minecraft 1.7.10 Download Android
Many sites promising "Free 1.7.10 APKs" bundle the file with adware or spyware. Official Source: Launch the game
released in 2014. It was never officially released as a standalone version for Android (Pocket Edition). Minecraft 1.7.10 Download Android