Android Indicator needed - High Low Open Close / period separator / bar color / Fixed scale

Android devices badly need some essential indicator and adjustment that I hope the following could be implement in the coming New Year

1. High Low Open and Close level of the previous day
2. Period indicator so we can indicate start and trading session especially using Tick, Renko and Range chart.
3. Able to adjust bar color as some of us have eye issue toward certain color.
4. Fixed scale.