# 3.2. Features and Utilities

**Stargram Wallet Adapter**

Mobile Wallet Adapter is a conversion kit that facilitates transaction signing from applications to the Android operating system.

**Stargram SDK**&#x20;

This is a software development kit (SDK) that provides developers with a set of tools, libraries, documentation, and other resources to facilitate the easy building of DApps on Stargram Phone.

**Seed Vault**

A secure software solution designed to store passwords and passphrases within a secure environment, allowing for quick and easy signing of transactions

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