"Make a spectating ui"

-- local script (StarterGUI) 
local player = game.Players.LocalPlayer
local screenGui = Instance.new("ScreenGui", player.PlayerGui)

local spectatingFrame = Instance.new("Frame", screenGui)
spectatingFrame.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
spectatingFrame.Size = UDim2.new(0, 200, 0, 100)
spectatingFrame.Position = UDim2.new(0.5, -100, 0.5, -50)

local spectatingLabel = Instance.new("TextLabel", spectatingFrame)
spectatingLabel.Text = "Spectating"
spectatingLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
spectatingLabel.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
spectatingLabel.Size = UDim2.new(1, 0, 0.5, 0)
spectatingLabel.Font = Enum.Font.SourceSansBold
spectatingLabel.TextScaled = true

local nextButton = Instance.new("TextButton", spectatingFrame)
nextButton.Text = "Next"
nextButton.TextColor3 = Color3.fromRGB(255, 255, 255)
nextButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
nextButton.Size = UDim2.new(0.5, 0, 0.5, 0)
nextButton.Position = UDim2.new(0, 0, 0.5, 0)
nextButton.Font = Enum.Font.SourceSansBold
nextButton.TextScaled = true

local prevButton = Instance.new("TextButton", spectatingFrame)
prevButton.Text = "Prev"
prevButton.TextColor3 = Color3.fromRGB(255, 255, 255)
prevButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
prevButton.Size = UDim2.new(0.5, 0, 0.5, 0)
prevButton.Position = UDim2.new(0.5, 0, 0.5, 0)
prevButton.Font = Enum.Font.SourceSansBold
prevButton.TextScaled = true