How to handle Programs Redirecting to Windows --Multitasking

local tUserEvents = {
  mouse_click = true,
  mouse_drag = true,
  mouse_up = true,
  key = true,
  char = true,
  key_up = true,
  monitor_touch = true,
  mouse_scroll = true,
  paste = true,
}

local tApps, sCurrent = {}

function getRunningApp()
  for i, app in ipairs( tApps ) do
  	if coroutine.status( app.co ) == "running" then
  		return app.name
  	end
  end
end

function listRunningApps()
	return table.protect( tApps )
end

function launchApp( appPath, ... )
  local app = {}
  app.window = term.current()
  app.name = fs.getName( appPath )
  local func = loadfile( appPath )
  app.co = coroutine.create( func )
  _, app.filter = coroutine.resume( app.co, ... )
  tApps[ #tApps + 1 ] = app
end

function setCurrent( appName )
  for i, app in ipairs( tApps ) do
    if app.name == appName then
      sCurrent = appName
      return true
    end
  end
  return false
end

function runApps()
  local event = {}
  while #tApps > 0 do
    for i, app in ipairs( tApps ) do
      if (app.name == sCurrent or not tUserEvents[ event[ 1 ] ]) and (app.filter == event[ 1 ] or not app.filter) then
        term.redirect( app.window )
        _, app.filter = coroutine.resume( app.co, unpack(event) )
      end
      if coroutine.status( app.co ) == "dead" then
        table.remove( tApps, i )
      end
    end
    event = {os.pullEvent()}
  end
end

local maxx, maxy = term.getSize()
local w = window.create( term.current(), 1, 4, maxx, maxy - 3 )
term.redirect( w )
term.setBackgroundColor( colors.white )
term.clear()
sleep( 1 )
term.clear()

os.loadAPI( "appManager" ) --#this is the API I posted in the OP
appManager.launchApp( "test" ) --#this is the test program above
appManager.runApps()