For?those?Android?smart-phones?where?there?is?no?default?app?and?option?to?keep?the?screen?always?turn?on,?this?app?is?to?fill?that?need.?Use?case?for?such?needs?include?retailer?who?like?to?show-cast?the?latest?Android?smart-phone,?they?need?to?keep?the?display?set?screen?always?turned?on?to?attract?walk-in?customers?attention,?similar?concept?like?TV?display?set.?For?those?driving,?you?dock?your?phone?and?you?want?it?to?always?turn?on?to?look?at?those?apps?with?directions?as?and?when?you?get?lost?in?some?foreign?places?etc.
To?configure,?long?tap?on?Home?screen?->?Widgets?->?Light?On.?Four?shapes?in?a?line?appear.?Tap?Dim,Bright,Brightest,Off.?Their?name?indicate?their?function.?After?which?you?can?start?to?activate?your?other?apps?and?use?them?with?the?screen?remaining?turn?on?until?you?tap?Off.
IMPORTANT:
If?you?are?also?running?other?apps?that?hold?a?lock?to?keep?the?screen?on,?tapping?on?the?Off?widget?will?not?turn?the?screen?off.?It?can?only?turn?off?those?previously?tap