Use APKPure App
Get TR Map Installer old version APK for Android
This app will help you install world maps for terraria game
This app so many world maps mod for terraria games.
and it will auto install on your terraria game with special permission on your devices.
Disclaimer: this app is not an official app by 505 Games Srl game developers. All rights belong to Terraria 505 Games Srl.
NOTE: This App requires the official client Terraria on android.
https://play.google.com/store/apps/details?id=com.and.games505.TerrariaPaid