Paste it into your device's main storage directory ( Internal Storage > Android > data > com.mobile.legends ).
The file appears to be a specific archive related to custom content or modifications for the video game Mobile Legends: Bang Bang (MLBB) . MLCustomsVikHard.rar
: If you need to know what is inside, it usually contains custom asset files (typically in .unity3d format) that users move into the game's data folders to change the appearance of heroes or the battlefield. Paste it into your device's main storage directory
Depending on what you meant by "needing a text," here are the most likely scenarios: MLCustomsVikHard.rar
: To use the contents, you generally: Extract the .rar file using an app like ZArchiver. Copy the Android folder found inside.