Original tray is not good to use as it is just too notification icons , but no useful statistics .
This application help you customize your status bar by adding the reading of significant texts ( text overlay ) . You can add the date in different formats, battery level and temperature , available memory (RAM) and reading the CPU. You can quickly view the statistics at any time. You can also change font size , color, for , location, transparency and layout.
For More Info Google Play
Supported Android
{2.3.3 and UP}
Supported Android Version:-
Gingerbread (2.3.3–2.3.7)- Honeycomb (3.0–3.2.6)- Ice Cream Sandwich (4.0–4.0.4)- Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) or UP