Last Ruins
In Minecraft for Android, the number of structures is somewhat limited, so it’s great to have mods like the one called Last Ruins. This name effectively conveys what players can expect in terms of the types of structures available.
The Last Ruins mod is currently under development within Minecraft, but it already offers a vast array of structures across various biomes. For instance, in colder biomes, you can discover remnants of buildings such as:
In the dense forests of Minecraft BE, there are also unique objects and several mobs to encounter:
In the jungles of MCPE:
On the plains:

To utilize the mod, make sure to enable experimental settings in the game! Currently, Last Ruins is not compatible with Realms. The latest update introduced three new structures for the Soul Valley in the Nether: