best simple script works on xeno keyless!

local player = game:GetService("Players").LocalPlayer
local coreGui = game:GetService("CoreGui")
local workspace = game:GetService("Workspace")
local userInputService = game:GetService("UserInputService")

local screenGui = Instance.new("ScreenGui")
screenGui.Name = "bringAndSellGui"
screenGui.Parent = coreGui

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 200, 0, 180)
frame.Position = UDim2.new(0.5, -100, 0.8, 0)
frame.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
frame.Active = true
frame.Draggable = true
frame.Parent = screenGui

local infoLabel = Instance.new("TextLabel")
infoLabel.Size = UDim2.new(1, 0, 0, 20)
infoLabel.Position = UDim2.new(0, 0, 0, 5)
infoLabel.BackgroundTransparency = 1
infoLabel.TextColor3 = Color3.fromRGB(200, 200, 200)
infoLabel.Text = "press k to toggle"
infoLabel.TextScaled = true
infoLabel.Parent = frame

local bringButton = Instance.new("TextButton")
bringButton.Size = UDim2.new(1, -20, 0, 40)
bringButton.Position = UDim2.new(0, 10, 0, 30)
bringButton.BackgroundColor3 = Color3.fromRGB(55, 55, 55)
bringButton.TextColor3 = Color3.fromRGB(255, 255, 255)
bringButton.Text = "bring to player"
bringButton.TextScaled = true
bringButton.Parent = frame

local sellButton = Instance.new("TextButton")
sellButton.Size = UDim2.new(1, -20, 0, 40)
sellButton.Position = UDim2.new(0, 10, 0, 80)
sellButton.BackgroundColor3 = Color3.fromRGB(55, 55, 55)
sellButton.TextColor3 = Color3.fromRGB(255, 255, 255)