Can Android do tone generation- Yes
This is a tone generator like the Oscillator app. you too can use it to talk like a robot by using this thing like a "talk box" like Peter Frampton and others. Put the speaker up to your mouth and let the sound travel into your mouth and out your lips just like the tube in a "talk box". Get it? Got it? good...
Can Android do tone generation?Yes
Free real-time audio analyser with 8 kHz spectral bandwidth. Display any sort of audio from the microphone as a coloured spectrogram. Identify environmental noise, search for annoying tones, view harmonic patterns of instruments and voices, analyse the frequency range of your speaker... .