This comes straight from Key Mapper’s own GitHub page — it’s free. Need help installing?
What it looks like
About this app
Key Mapper lets you change what the volume keys, headset buttons, game controllers and other hardware buttons do — open an app, control music, take a screenshot.
It is especially handy on phones with an extra button nobody uses.
From the app’s home page
- See the codeHow it’s made — every line is public
- Questions & commentsTalk with the people who make it
- Report a problemTell the makers something is broken
- All versionsOlder downloads and what changed
- LicenseThe rules for using and sharing it
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