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It is an application for arduino raspberry pi etc.

Display IP Address and Domain Name you are connected to the Internet.

You can see the log that can be obtained in Logcat command Wifi and Bluetooth...

This application can read create QR code and Bookmark Management.

It does not work on Android 8, it is now in handling Sorry.

It is an application to examine the Bluetooth address and Pairing.

It is Japanese IME to input the character from web a browser.

Your Android terminal is made a simple Proxy server.

BT remote control is an application that sends the characters in Bluetooth SPP...

It does not work on Android 8, it is now in handling Sorry.

It displays the Hardware Serial output of the Arduino to Android.

Your Android terminal is made a simple HTTP server.